R/data.R
In nutriverse/intergrowth: An R Implementation of the INTERGROWTH-21st Standards and Tools
################################################################################
#
#' International dating standards in early pregnancy: table of centiles of
#' gestational age in weeks and days based on crown-rump length in millimetres
#'
#' @format A tibble with 810 rows and 4 columns:
#' \describe{
#' \item{\code{crl}}{Crown-rump length in millimetres}
#' \item{\code{centile}}{Centile (3rd, 10th, 50th, 90th, 97th)}
#' \item{\code{unit}}{Time unit for age value (week or day)}
#' \item{\code{age}}{Age value}
#' }
#'
#' @examples
#' gestage_crl
#'
#' @source Napolitano R, Dhami J, Ohuma EO, Ioannou C, Conde-Agudelo A,
#' Kennedy SH et al. Pregnancy dating by fetal crown-rump length: a
#' systematic review of charts. BJOG 2014, 121(5):556-5.
#'
#
################################################################################
"gestage_crl"
################################################################################
#
#' International fetal size standards in early pregnancy: table of centiles of
#' crown-rump length based on gestation age in weeks and days
#'
#' @format A tibble with 336 rows and 4 columns:
#' \describe{
#' \item{\code{week}}{Gestational age - weeks}
#' \item{\code{day}}{Gestation age - days}
#' \item{\code{centile}}{Centiles (3rd, 5th, 10th, 50th, 90th, 95th, 97th)}
#' \item{\code{crl}}{Crown-rump length in millimetres}
#' }
#'
#' @examples
#' crl_gestage_centile
#'
#' @source Napolitano R, Dhami J, Ohuma EO, Ioannou C, Conde-Agudelo A,
#' Kennedy SH et al. Pregnancy dating by fetal crown-rump length: a
#' systematic review of charts. BJOG 2014, 121(5):556-5.
#'
#
################################################################################
"crl_gestage_centile"
################################################################################
#
#' International fetal size standards in early pregnancy: table of z-scores of
#' crown-rump length based on gestation age in weeks and days
#'
#' @format A tibble with 336 rows and 4 columns:
#' \describe{
#' \item{\code{week}}{Gestational age - weeks}
#' \item{\code{day}}{Gestation age - days}
#' \item{\code{sd}}{z-scores (-3SD, -2SD, -1SD, 0, 1SD, 2SD, 3SD)}
#' \item{\code{crl}}{Crown-rump length in millimetres}
#' }
#'
#' @examples
#' crl_gestage_sd
#'
#' @source Napolitano R, Dhami J, Ohuma EO, Ioannou C, Conde-Agudelo A,
#' Kennedy SH et al. Pregnancy dating by fetal crown-rump length: a
#' systematic review of charts. BJOG 2014, 121(5):556-5.
#'
#
################################################################################
"crl_gestage_sd"
################################################################################
#
#' International symphysis-fundal height standards: table of centiles of
#' symphysis-fundal height based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{week}}{Gestational age in exact weeks}
#' \item{\code{centile}}{Centiles (3rd, 5th, 10th, 50th, 90th, 95th, 97th)}
#' \item{\code{sfh}}{Symphysis-fundal height in centimetres}
#' }
#'
#' @examples
#' sfh_gestage_centile
#'
#' @source Papageorghiou AT, Ohuma EO, Gravett MG, Lamber A, Noble JA,
#' Pang R et al. International standards for symphysis-fundal height based
#' on serial measurements from the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project: prospective cohort study in eight countries.
#' BMJ 2016, 355:i5662.
#'
#
################################################################################
"sfh_gestage_centile"
################################################################################
#
#' International symphysis-fundal height standards: table of z-scores of
#' symphysis-fundal height based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{gestage}}{Gestational age in exact weeks}
#' \item{\code{sd}}{z-scores (-3SD, -2SD, -1SD, 0, 1SD, 2SD, 3SD)}
#' \item{\code{sfh}}{Symphysis-fundal height in centimetres}
#' }
#'
#' @examples
#' sfh_gestage_sd
#'
#' @source Papageorghiou AT, Ohuma EO, Gravett MG, Lamber A, Noble JA,
#' Pang R et al. International standards for symphysis-fundal height based
#' on serial measurements from the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project: prospective cohort study in eight countries.
#' BMJ 2016, 355:i5662.
#'
#
################################################################################
"sfh_gestage_sd"
################################################################################
#
#' International fetal growth standards: table of centiles of head circumference
#' based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{week}}{Gestational age in exact weeks}
#' \item{\code{centile}}{Centiles (3rd, 5th, 10th, 50th, 90th, 95th, 97th)}
#' \item{\code{hc}}{Head circumference in millimetres}
#' }
#'
#' @examples
#' hc_gestage_centile
#'
#' @source Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L,
#' Lambert A et al. International standards for fetal growth based on serial
#' ultrasound measurements: the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project. Lancet 2014, 384(9946):869-79.
#'
#
################################################################################
"hc_gestage_centile"
################################################################################
#
#' International fetal growth standards: table of z-scores of head circumference
#' based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{gestage}}{Gestational age in exact weeks}
#' \item{\code{sd}}{z-scores (-3SD, -2SD, -1SD, 0, 1SD, 2SD, 3SD)}
#' \item{\code{hc}}{Head circumference in millimetres}
#' }
#'
#' @examples
#' hc_gestage_sd
#'
#' @source Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L,
#' Lambert A et al. International standards for fetal growth based on serial
#' ultrasound measurements: the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project. Lancet 2014, 384(9946):869-79.
#'
#
################################################################################
"hc_gestage_sd"
################################################################################
#
#' International fetal growth standards: table of centiles of bi-parietal
#' diameter based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{week}}{Gestational age in exact weeks}
#' \item{\code{centile}}{Centiles (3rd, 5th, 10th, 50th, 90th, 95th, 97th)}
#' \item{\code{bpd}}{Bi-parietal diameter in millimetres}
#' }
#'
#' @examples
#' bpd_gestage_centile
#'
#' @source Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L,
#' Lambert A et al. International standards for fetal growth based on serial
#' ultrasound measurements: the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project. Lancet 2014, 384(9946):869-79.
#'
#
################################################################################
"bpd_gestage_centile"
################################################################################
#
#' International fetal growth standards: table of z-scores of bi-parietal
#' diameter based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{gestage}}{Gestational age in exact weeks}
#' \item{\code{sd}}{z-scores (-3SD, -2SD, -1SD, 0, 1SD, 2SD, 3SD)}
#' \item{\code{bpd}}{Bi-parietal diameter in millimetres}
#' }
#'
#' @examples
#' bpd_gestage_sd
#'
#' @source Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L,
#' Lambert A et al. International standards for fetal growth based on serial
#' ultrasound measurements: the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project. Lancet 2014, 384(9946):869-79.
#'
#
################################################################################
"bpd_gestage_sd"
################################################################################
#
#' International fetal growth standards: table of centiles of abdominal
#' circumference based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{week}}{Gestational age in exact weeks}
#' \item{\code{centile}}{Centiles (3rd, 5th, 10th, 50th, 90th, 95th, 97th)}
#' \item{\code{ac}}{Abdominal circumference in millimetres}
#' }
#'
#' @examples
#' ac_gestage_centile
#'
#' @source Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L,
#' Lambert A et al. International standards for fetal growth based on serial
#' ultrasound measurements: the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project. Lancet 2014, 384(9946):869-79.
#'
#
################################################################################
"ac_gestage_centile"
################################################################################
#
#' International fetal growth standards: table of z-scores of abdominal
#' circumference based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{gestage}}{Gestational age in exact weeks}
#' \item{\code{sd}}{z-scores (-3SD, -2SD, -1SD, 0, 1SD, 2SD, 3SD)}
#' \item{\code{ac}}{Abdominal circumference in millimetres}
#' }
#'
#' @examples
#' ac_gestage_sd
#'
#' @source Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L,
#' Lambert A et al. International standards for fetal growth based on serial
#' ultrasound measurements: the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project. Lancet 2014, 384(9946):869-79.
#'
#
################################################################################
"ac_gestage_sd"
################################################################################
#
#' International fetal growth standards: table of centiles of femur length
#' based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{week}}{Gestational age in exact weeks}
#' \item{\code{centile}}{Centiles (3rd, 5th, 10th, 50th, 90th, 95th, 97th)}
#' \item{\code{fl}}{Femur length in millimetres}
#' }
#'
#' @examples
#' fl_gestage_centile
#'
#' @source Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L,
#' Lambert A et al. International standards for fetal growth based on serial
#' ultrasound measurements: the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project. Lancet 2014, 384(9946):869-79.
#'
#
################################################################################
"fl_gestage_centile"
################################################################################
#
#' International fetal growth standards: table of z-scores of femur length
#' based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{gestage}}{Gestational age in exact weeks}
#' \item{\code{sd}}{z-scores (-3SD, -2SD, -1SD, 0, 1SD, 2SD, 3SD)}
#' \item{\code{fl}}{Femur length in millimetres}
#' }
#'
#' @examples
#' fl_gestage_sd
#'
#' @source Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L,
#' Lambert A et al. International standards for fetal growth based on serial
#' ultrasound measurements: the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project. Lancet 2014, 384(9946):869-79.
#'
#
################################################################################
"fl_gestage_sd"
################################################################################
#
#' International fetal growth standards: table of centiles of occipito-frontal
#' diameter based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{week}}{Gestational age in exact weeks}
#' \item{\code{centile}}{Centiles (3rd, 5th, 10th, 50th, 90th, 95th, 97th)}
#' \item{\code{ofd}}{Occipito-frontal diameter in millimetres}
#' }
#'
#' @examples
#' ofd_gestage_centile
#'
#' @source Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L,
#' Lambert A et al. International standards for fetal growth based on serial
#' ultrasound measurements: the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project. Lancet 2014, 384(9946):869-79.
#'
#
################################################################################
"ofd_gestage_centile"
################################################################################
#
#' International fetal growth standards: table of z-scores of occipito-frontal
#' diameter based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{gestage}}{Gestational age in exact weeks}
#' \item{\code{sd}}{z-scores (-3SD, -2SD, -1SD, 0, 1SD, 2SD, 3SD)}
#' \item{\code{ofd}}{Occipito-frontal diameter in millimetres}
#' }
#'
#' @examples
#' ofd_gestage_sd
#'
#' @source Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L,
#' Lambert A et al. International standards for fetal growth based on serial
#' ultrasound measurements: the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project. Lancet 2014, 384(9946):869-79.
#'
#
################################################################################
"ofd_gestage_sd"
################################################################################
#
#' International fetal growth standards: table of centiles of estimated fetal
#' weight based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{week}}{Gestational age in exact weeks}
#' \item{\code{centile}}{Centiles (3rd, 5th, 10th, 50th, 90th, 95th, 97th)}
#' \item{\code{efw}}{Estimated fetal weight in grams}
#' }
#'
#' @examples
#' efw_gestage_centile
#'
#' @source Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L,
#' Lambert A et al. International standards for fetal growth based on serial
#' ultrasound measurements: the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project. Lancet 2014, 384(9946):869-79.
#'
#
################################################################################
"efw_gestage_centile"
################################################################################
#
#' International fetal growth standards: table of z-scores of estimated fetal
#' weight based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{gestage}}{Gestational age in exact weeks}
#' \item{\code{sd}}{z-scores (-3SD, -2SD, -1SD, 0, 1SD, 2SD, 3SD)}
#' \item{\code{efw}}{Estimated fetal weight in grams}
#' }
#'
#' @examples
#' efw_gestage_sd
#'
#' @source Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L,
#' Lambert A et al. International standards for fetal growth based on serial
#' ultrasound measurements: the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project. Lancet 2014, 384(9946):869-79.
#'
#
################################################################################
"efw_gestage_sd"
################################################################################
#
#' International gestational weight gain standards: table of centiles of
#' gestational weight gain for women with normal body mass index based on
#' gestational age in exact weeks
#'
#' @format A tibble with 182 rows and 3 columns:
#' \describe{
#' \item{\code{week}}{Gestational age in exact weeks}
#' \item{\code{centile}}{Centiles (3rd, 5th, 10th, 50th, 90th, 95th, 97th)}
#' \item{\code{gestwt}}{Gestational weight gain in kilograms}
#' }
#'
#' @examples
#' gwg_gestage_centile
#'
#' @source Cheikh Ismail L, Bishop DC, Pang R, Ohuma EO, Kac G, Abrams B et al.
#' Gestational weight gain standards based on women enrolled in the Fetal
#' Growth Longitudinal Study of the INTERGROWTH-21st Project: a prospective
#' longitudinal cohort study. BMJ 2016, 352(i):555.
#'
#
################################################################################
"gwg_gestage_centile"
################################################################################
#
#' International gestational weight gain standards: table of z-scores of
#' gestational weight gain for women with normal body mass index based on
#' gestational age in exact weeks
#'
#' @format A tibble with 182 rows and 3 columns:
#' \describe{
#' \item{\code{week}}{Gestational age in exact weeks}
#' \item{\code{sd}}{z-scores (-3SD, -2SD, -1SD, 0, 1SD, 2SD, 3SD)}
#' \item{\code{gestwt}}{Gestational weight gain in kilograms}
#' }
#'
#' @examples
#' gwg_gestage_sd
#'
#' @source Cheikh Ismail L, Bishop DC, Pang R, Ohuma EO, Kac G, Abrams B et al.
#' Gestational weight gain standards based on women enrolled in the Fetal
#' Growth Longitudinal Study of the INTERGROWTH-21st Project: a prospective
#' longitudinal cohort study. BMJ 2016, 352(i):555.
#'
#
################################################################################
"gwg_gestage_sd"
################################################################################
#
#' International Newborn Size References for Very Preterm Infants: table of
#' centiles for birthweight-for-gestational age for very preterm infants
#'
#' @format A tibble with 882 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{centile}}{Centile - 3rd, 5th, 10th, 50th, 90th, 95th, 97th}
#' \item{\code{bw}}{Birthweight in kilograms}
#' }
#'
#' @examples
#' bw_gestage_pt_centile
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"bw_gestage_pt_centile"
################################################################################
#
#' International Newborn Size References for Very Preterm Infants: table of
#' z-score for birthweight-for-gestational age for very preterm infants
#'
#' @format A tibble with 882 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{sd}}{Standard deviation (z-score): -3, -2, -1, 0, 1, 2, 3}
#' \item{\code{bw}}{Birthweight in kilograms}
#' }
#'
#' @examples
#' bw_gestage_pt_sd
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"bw_gestage_pt_sd"
################################################################################
#
#' International Newborn Size References for Very Preterm Infants: table of
#' centiles for birth length-for-gestational age for very preterm infants
#'
#' @format A tibble with 882 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{centile}}{Centile - 3rd, 5th, 10th, 50th, 90th, 95th, 97th}
#' \item{\code{bl}}{Birth length in centimetres}
#' }
#'
#' @examples
#' bl_gestage_pt_centile
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"bl_gestage_pt_centile"
################################################################################
#
#' International Newborn Size References for Very Preterm Infants: table of
#' z-score for birth length-for-gestational age for very preterm infants
#'
#' @format A tibble with 882 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{sd}}{Standard deviation (z-score): -3, -2, -1, 0, 1, 2, 3}
#' \item{\code{bl}}{Birth length in centimetres}
#' }
#'
#' @examples
#' bl_gestage_pt_sd
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"bl_gestage_pt_sd"
################################################################################
#
#' International Newborn Size References for Very Preterm Infants: table of
#' centiles for head circumference-for-gestational age for very preterm infants
#'
#' @format A tibble with 882 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{centile}}{Centile - 3rd, 5th, 10th, 50th, 90th, 95th, 97th}
#' \item{\code{hc}}{Head circumference in centimetres}
#' }
#'
#' @examples
#' hc_gestage_pt_centile
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"hc_gestage_pt_centile"
################################################################################
#
#' International Newborn Size References for Very Preterm Infants: table of
#' z-score for head circumference-for-gestational age for very preterm infants
#'
#' @format A tibble with 882 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{sd}}{Standard deviation (z-score): -3, -2, -1, 0, 1, 2, 3}
#' \item{\code{hc}}{Head circumference in centimetres}
#' }
#'
#' @examples
#' hc_gestage_pt_sd
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"hc_gestage_pt_sd"
################################################################################
#
#' International Newborn Size References for Very Preterm Infants: table of
#' centiles for weight-length ratio-for-gestational age for very preterm infants
#'
#' @format A tibble with 882 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{centile}}{Centile - 3rd, 5th, 10th, 50th, 90th, 95th, 97th}
#' \item{\code{wlr}}{Weight-length ratio in kilograms/metres}
#' }
#'
#' @examples
#' wlr_gestage_pt_centile
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"wlr_gestage_pt_centile"
################################################################################
#
#' International Newborn Size References for Very Preterm Infants: table of
#' z-score for weight-length ratio-for-gestational age for very preterm infants
#'
#' @format A tibble with 882 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{sd}}{Standard deviation (z-score): -3, -2, -1, 0, 1, 2, 3}
#' \item{\code{wlr}}{Weight-length ratio in kilogram/metre}
#' }
#'
#' @examples
#' wlr_gestage_pt_sd
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"wlr_gestage_pt_sd"
################################################################################
#
#' International Newborn Size Standards: table of centiles for
#' birthweight-for-gestational age for infants
#'
#' @format A tibble with 980 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{centile}}{Centile - 3rd, 5th, 10th, 50th, 90th, 95th, 97th}
#' \item{\code{bw}}{Birthweight in kilograms}
#' }
#'
#' @examples
#' bw_gestage_term_centile
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"bw_gestage_term_centile"
################################################################################
#
#' International Newborn Size Standards: table of z-score for
#' birthweight-for-gestational age for infants
#'
#' @format A tibble with 980 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{sd}}{Standard deviation (z-score): -3, -2, -1, 0, 1, 2, 3}
#' \item{\code{bw}}{Birthweight in kilograms}
#' }
#'
#' @examples
#' bw_gestage_term_sd
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"bw_gestage_term_sd"
################################################################################
#
#' International Newborn Size Standards: table of centiles for
#' birth length-for-gestational age for infants
#'
#' @format A tibble with 980 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{centile}}{Centile - 3rd, 5th, 10th, 50th, 90th, 95th, 97th}
#' \item{\code{bl}}{Birth length in centimetres}
#' }
#'
#' @examples
#' bl_gestage_term_centile
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"bl_gestage_term_centile"
################################################################################
#
#' International Newborn Size Standards: table of z-score for
#' birth length-for-gestational age for infants
#'
#' @format A tibble with 980 and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{sd}}{Standard deviation (z-score): -3, -2, -1, 0, 1, 2, 3}
#' \item{\code{bl}}{Birth length in centimetres}
#' }
#'
#' @examples
#' bl_gestage_term_sd
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"bl_gestage_term_sd"
################################################################################
#
#' International Newborn Size Standards: table of centiles for head
#' circumference-for-gestational age for infants
#'
#' @format A tibble with 980 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{centile}}{Centile - 3rd, 5th, 10th, 50th, 90th, 95th, 97th}
#' \item{\code{hc}}{Head circumference in centimetres}
#' }
#'
#' @examples
#' hc_gestage_term_centile
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"hc_gestage_term_centile"
################################################################################
#
#' International Newborn Size Standards: table of z-score for head
#' circumference-for-gestational age for infants
#'
#' @format A tibble with 980 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{sd}}{Standard deviation (z-score): -3, -2, -1, 0, 1, 2, 3}
#' \item{\code{hc}}{Head circumference in centimetres}
#' }
#'
#' @examples
#' hc_gestage_term_sd
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"hc_gestage_term_sd"
################################################################################
#
#' International Newborn Size Standards: table of centiles for
#' weight-length ratio-for-gestational age for infants
#'
#' @format A tibble with 980 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{centile}}{Centile - 3rd, 5th, 10th, 50th, 90th, 95th, 97th}
#' \item{\code{wlr}}{Weight-length ratio in kilograms/metres}
#' }
#'
#' @examples
#' wlr_gestage_term_centile
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"wlr_gestage_term_centile"
################################################################################
#
#' International Newborn Size Standards: table of z-score for
#' weight-length ratio-for-gestational age for infants
#'
#' @format A tibble with 980 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{sd}}{Standard deviation (z-score): -3, -2, -1, 0, 1, 2, 3}
#' \item{\code{wlr}}{Weight-length ratio in kilogram/metre}
#' }
#'
#' @examples
#' wlr_gestage_term_sd
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"wlr_gestage_term_sd"
nutriverse/intergrowth documentation built on Jan. 28, 2023, 12:21 a.m.
R Package Documentation
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################################################################################
#
#' International dating standards in early pregnancy: table of centiles of
#' gestational age in weeks and days based on crown-rump length in millimetres
#'
#' @format A tibble with 810 rows and 4 columns:
#' \describe{
#' \item{\code{crl}}{Crown-rump length in millimetres}
#' \item{\code{centile}}{Centile (3rd, 10th, 50th, 90th, 97th)}
#' \item{\code{unit}}{Time unit for age value (week or day)}
#' \item{\code{age}}{Age value}
#' }
#'
#' @examples
#' gestage_crl
#'
#' @source Napolitano R, Dhami J, Ohuma EO, Ioannou C, Conde-Agudelo A,
#' Kennedy SH et al. Pregnancy dating by fetal crown-rump length: a
#' systematic review of charts. BJOG 2014, 121(5):556-5.
#'
#
################################################################################
"gestage_crl"
################################################################################
#
#' International fetal size standards in early pregnancy: table of centiles of
#' crown-rump length based on gestation age in weeks and days
#'
#' @format A tibble with 336 rows and 4 columns:
#' \describe{
#' \item{\code{week}}{Gestational age - weeks}
#' \item{\code{day}}{Gestation age - days}
#' \item{\code{centile}}{Centiles (3rd, 5th, 10th, 50th, 90th, 95th, 97th)}
#' \item{\code{crl}}{Crown-rump length in millimetres}
#' }
#'
#' @examples
#' crl_gestage_centile
#'
#' @source Napolitano R, Dhami J, Ohuma EO, Ioannou C, Conde-Agudelo A,
#' Kennedy SH et al. Pregnancy dating by fetal crown-rump length: a
#' systematic review of charts. BJOG 2014, 121(5):556-5.
#'
#
################################################################################
"crl_gestage_centile"
################################################################################
#
#' International fetal size standards in early pregnancy: table of z-scores of
#' crown-rump length based on gestation age in weeks and days
#'
#' @format A tibble with 336 rows and 4 columns:
#' \describe{
#' \item{\code{week}}{Gestational age - weeks}
#' \item{\code{day}}{Gestation age - days}
#' \item{\code{sd}}{z-scores (-3SD, -2SD, -1SD, 0, 1SD, 2SD, 3SD)}
#' \item{\code{crl}}{Crown-rump length in millimetres}
#' }
#'
#' @examples
#' crl_gestage_sd
#'
#' @source Napolitano R, Dhami J, Ohuma EO, Ioannou C, Conde-Agudelo A,
#' Kennedy SH et al. Pregnancy dating by fetal crown-rump length: a
#' systematic review of charts. BJOG 2014, 121(5):556-5.
#'
#
################################################################################
"crl_gestage_sd"
################################################################################
#
#' International symphysis-fundal height standards: table of centiles of
#' symphysis-fundal height based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{week}}{Gestational age in exact weeks}
#' \item{\code{centile}}{Centiles (3rd, 5th, 10th, 50th, 90th, 95th, 97th)}
#' \item{\code{sfh}}{Symphysis-fundal height in centimetres}
#' }
#'
#' @examples
#' sfh_gestage_centile
#'
#' @source Papageorghiou AT, Ohuma EO, Gravett MG, Lamber A, Noble JA,
#' Pang R et al. International standards for symphysis-fundal height based
#' on serial measurements from the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project: prospective cohort study in eight countries.
#' BMJ 2016, 355:i5662.
#'
#
################################################################################
"sfh_gestage_centile"
################################################################################
#
#' International symphysis-fundal height standards: table of z-scores of
#' symphysis-fundal height based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{gestage}}{Gestational age in exact weeks}
#' \item{\code{sd}}{z-scores (-3SD, -2SD, -1SD, 0, 1SD, 2SD, 3SD)}
#' \item{\code{sfh}}{Symphysis-fundal height in centimetres}
#' }
#'
#' @examples
#' sfh_gestage_sd
#'
#' @source Papageorghiou AT, Ohuma EO, Gravett MG, Lamber A, Noble JA,
#' Pang R et al. International standards for symphysis-fundal height based
#' on serial measurements from the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project: prospective cohort study in eight countries.
#' BMJ 2016, 355:i5662.
#'
#
################################################################################
"sfh_gestage_sd"
################################################################################
#
#' International fetal growth standards: table of centiles of head circumference
#' based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{week}}{Gestational age in exact weeks}
#' \item{\code{centile}}{Centiles (3rd, 5th, 10th, 50th, 90th, 95th, 97th)}
#' \item{\code{hc}}{Head circumference in millimetres}
#' }
#'
#' @examples
#' hc_gestage_centile
#'
#' @source Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L,
#' Lambert A et al. International standards for fetal growth based on serial
#' ultrasound measurements: the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project. Lancet 2014, 384(9946):869-79.
#'
#
################################################################################
"hc_gestage_centile"
################################################################################
#
#' International fetal growth standards: table of z-scores of head circumference
#' based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{gestage}}{Gestational age in exact weeks}
#' \item{\code{sd}}{z-scores (-3SD, -2SD, -1SD, 0, 1SD, 2SD, 3SD)}
#' \item{\code{hc}}{Head circumference in millimetres}
#' }
#'
#' @examples
#' hc_gestage_sd
#'
#' @source Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L,
#' Lambert A et al. International standards for fetal growth based on serial
#' ultrasound measurements: the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project. Lancet 2014, 384(9946):869-79.
#'
#
################################################################################
"hc_gestage_sd"
################################################################################
#
#' International fetal growth standards: table of centiles of bi-parietal
#' diameter based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{week}}{Gestational age in exact weeks}
#' \item{\code{centile}}{Centiles (3rd, 5th, 10th, 50th, 90th, 95th, 97th)}
#' \item{\code{bpd}}{Bi-parietal diameter in millimetres}
#' }
#'
#' @examples
#' bpd_gestage_centile
#'
#' @source Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L,
#' Lambert A et al. International standards for fetal growth based on serial
#' ultrasound measurements: the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project. Lancet 2014, 384(9946):869-79.
#'
#
################################################################################
"bpd_gestage_centile"
################################################################################
#
#' International fetal growth standards: table of z-scores of bi-parietal
#' diameter based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{gestage}}{Gestational age in exact weeks}
#' \item{\code{sd}}{z-scores (-3SD, -2SD, -1SD, 0, 1SD, 2SD, 3SD)}
#' \item{\code{bpd}}{Bi-parietal diameter in millimetres}
#' }
#'
#' @examples
#' bpd_gestage_sd
#'
#' @source Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L,
#' Lambert A et al. International standards for fetal growth based on serial
#' ultrasound measurements: the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project. Lancet 2014, 384(9946):869-79.
#'
#
################################################################################
"bpd_gestage_sd"
################################################################################
#
#' International fetal growth standards: table of centiles of abdominal
#' circumference based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{week}}{Gestational age in exact weeks}
#' \item{\code{centile}}{Centiles (3rd, 5th, 10th, 50th, 90th, 95th, 97th)}
#' \item{\code{ac}}{Abdominal circumference in millimetres}
#' }
#'
#' @examples
#' ac_gestage_centile
#'
#' @source Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L,
#' Lambert A et al. International standards for fetal growth based on serial
#' ultrasound measurements: the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project. Lancet 2014, 384(9946):869-79.
#'
#
################################################################################
"ac_gestage_centile"
################################################################################
#
#' International fetal growth standards: table of z-scores of abdominal
#' circumference based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{gestage}}{Gestational age in exact weeks}
#' \item{\code{sd}}{z-scores (-3SD, -2SD, -1SD, 0, 1SD, 2SD, 3SD)}
#' \item{\code{ac}}{Abdominal circumference in millimetres}
#' }
#'
#' @examples
#' ac_gestage_sd
#'
#' @source Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L,
#' Lambert A et al. International standards for fetal growth based on serial
#' ultrasound measurements: the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project. Lancet 2014, 384(9946):869-79.
#'
#
################################################################################
"ac_gestage_sd"
################################################################################
#
#' International fetal growth standards: table of centiles of femur length
#' based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{week}}{Gestational age in exact weeks}
#' \item{\code{centile}}{Centiles (3rd, 5th, 10th, 50th, 90th, 95th, 97th)}
#' \item{\code{fl}}{Femur length in millimetres}
#' }
#'
#' @examples
#' fl_gestage_centile
#'
#' @source Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L,
#' Lambert A et al. International standards for fetal growth based on serial
#' ultrasound measurements: the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project. Lancet 2014, 384(9946):869-79.
#'
#
################################################################################
"fl_gestage_centile"
################################################################################
#
#' International fetal growth standards: table of z-scores of femur length
#' based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{gestage}}{Gestational age in exact weeks}
#' \item{\code{sd}}{z-scores (-3SD, -2SD, -1SD, 0, 1SD, 2SD, 3SD)}
#' \item{\code{fl}}{Femur length in millimetres}
#' }
#'
#' @examples
#' fl_gestage_sd
#'
#' @source Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L,
#' Lambert A et al. International standards for fetal growth based on serial
#' ultrasound measurements: the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project. Lancet 2014, 384(9946):869-79.
#'
#
################################################################################
"fl_gestage_sd"
################################################################################
#
#' International fetal growth standards: table of centiles of occipito-frontal
#' diameter based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{week}}{Gestational age in exact weeks}
#' \item{\code{centile}}{Centiles (3rd, 5th, 10th, 50th, 90th, 95th, 97th)}
#' \item{\code{ofd}}{Occipito-frontal diameter in millimetres}
#' }
#'
#' @examples
#' ofd_gestage_centile
#'
#' @source Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L,
#' Lambert A et al. International standards for fetal growth based on serial
#' ultrasound measurements: the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project. Lancet 2014, 384(9946):869-79.
#'
#
################################################################################
"ofd_gestage_centile"
################################################################################
#
#' International fetal growth standards: table of z-scores of occipito-frontal
#' diameter based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{gestage}}{Gestational age in exact weeks}
#' \item{\code{sd}}{z-scores (-3SD, -2SD, -1SD, 0, 1SD, 2SD, 3SD)}
#' \item{\code{ofd}}{Occipito-frontal diameter in millimetres}
#' }
#'
#' @examples
#' ofd_gestage_sd
#'
#' @source Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L,
#' Lambert A et al. International standards for fetal growth based on serial
#' ultrasound measurements: the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project. Lancet 2014, 384(9946):869-79.
#'
#
################################################################################
"ofd_gestage_sd"
################################################################################
#
#' International fetal growth standards: table of centiles of estimated fetal
#' weight based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{week}}{Gestational age in exact weeks}
#' \item{\code{centile}}{Centiles (3rd, 5th, 10th, 50th, 90th, 95th, 97th)}
#' \item{\code{efw}}{Estimated fetal weight in grams}
#' }
#'
#' @examples
#' efw_gestage_centile
#'
#' @source Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L,
#' Lambert A et al. International standards for fetal growth based on serial
#' ultrasound measurements: the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project. Lancet 2014, 384(9946):869-79.
#'
#
################################################################################
"efw_gestage_centile"
################################################################################
#
#' International fetal growth standards: table of z-scores of estimated fetal
#' weight based on gestation age in exact weeks
#'
#' @format A tibble with 189 rows and 3 columns:
#' \describe{
#' \item{\code{gestage}}{Gestational age in exact weeks}
#' \item{\code{sd}}{z-scores (-3SD, -2SD, -1SD, 0, 1SD, 2SD, 3SD)}
#' \item{\code{efw}}{Estimated fetal weight in grams}
#' }
#'
#' @examples
#' efw_gestage_sd
#'
#' @source Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L,
#' Lambert A et al. International standards for fetal growth based on serial
#' ultrasound measurements: the Fetal Growth Longitudinal Study of the
#' INTERGROWTH-21st Project. Lancet 2014, 384(9946):869-79.
#'
#
################################################################################
"efw_gestage_sd"
################################################################################
#
#' International gestational weight gain standards: table of centiles of
#' gestational weight gain for women with normal body mass index based on
#' gestational age in exact weeks
#'
#' @format A tibble with 182 rows and 3 columns:
#' \describe{
#' \item{\code{week}}{Gestational age in exact weeks}
#' \item{\code{centile}}{Centiles (3rd, 5th, 10th, 50th, 90th, 95th, 97th)}
#' \item{\code{gestwt}}{Gestational weight gain in kilograms}
#' }
#'
#' @examples
#' gwg_gestage_centile
#'
#' @source Cheikh Ismail L, Bishop DC, Pang R, Ohuma EO, Kac G, Abrams B et al.
#' Gestational weight gain standards based on women enrolled in the Fetal
#' Growth Longitudinal Study of the INTERGROWTH-21st Project: a prospective
#' longitudinal cohort study. BMJ 2016, 352(i):555.
#'
#
################################################################################
"gwg_gestage_centile"
################################################################################
#
#' International gestational weight gain standards: table of z-scores of
#' gestational weight gain for women with normal body mass index based on
#' gestational age in exact weeks
#'
#' @format A tibble with 182 rows and 3 columns:
#' \describe{
#' \item{\code{week}}{Gestational age in exact weeks}
#' \item{\code{sd}}{z-scores (-3SD, -2SD, -1SD, 0, 1SD, 2SD, 3SD)}
#' \item{\code{gestwt}}{Gestational weight gain in kilograms}
#' }
#'
#' @examples
#' gwg_gestage_sd
#'
#' @source Cheikh Ismail L, Bishop DC, Pang R, Ohuma EO, Kac G, Abrams B et al.
#' Gestational weight gain standards based on women enrolled in the Fetal
#' Growth Longitudinal Study of the INTERGROWTH-21st Project: a prospective
#' longitudinal cohort study. BMJ 2016, 352(i):555.
#'
#
################################################################################
"gwg_gestage_sd"
################################################################################
#
#' International Newborn Size References for Very Preterm Infants: table of
#' centiles for birthweight-for-gestational age for very preterm infants
#'
#' @format A tibble with 882 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{centile}}{Centile - 3rd, 5th, 10th, 50th, 90th, 95th, 97th}
#' \item{\code{bw}}{Birthweight in kilograms}
#' }
#'
#' @examples
#' bw_gestage_pt_centile
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"bw_gestage_pt_centile"
################################################################################
#
#' International Newborn Size References for Very Preterm Infants: table of
#' z-score for birthweight-for-gestational age for very preterm infants
#'
#' @format A tibble with 882 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{sd}}{Standard deviation (z-score): -3, -2, -1, 0, 1, 2, 3}
#' \item{\code{bw}}{Birthweight in kilograms}
#' }
#'
#' @examples
#' bw_gestage_pt_sd
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"bw_gestage_pt_sd"
################################################################################
#
#' International Newborn Size References for Very Preterm Infants: table of
#' centiles for birth length-for-gestational age for very preterm infants
#'
#' @format A tibble with 882 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{centile}}{Centile - 3rd, 5th, 10th, 50th, 90th, 95th, 97th}
#' \item{\code{bl}}{Birth length in centimetres}
#' }
#'
#' @examples
#' bl_gestage_pt_centile
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"bl_gestage_pt_centile"
################################################################################
#
#' International Newborn Size References for Very Preterm Infants: table of
#' z-score for birth length-for-gestational age for very preterm infants
#'
#' @format A tibble with 882 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{sd}}{Standard deviation (z-score): -3, -2, -1, 0, 1, 2, 3}
#' \item{\code{bl}}{Birth length in centimetres}
#' }
#'
#' @examples
#' bl_gestage_pt_sd
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"bl_gestage_pt_sd"
################################################################################
#
#' International Newborn Size References for Very Preterm Infants: table of
#' centiles for head circumference-for-gestational age for very preterm infants
#'
#' @format A tibble with 882 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{centile}}{Centile - 3rd, 5th, 10th, 50th, 90th, 95th, 97th}
#' \item{\code{hc}}{Head circumference in centimetres}
#' }
#'
#' @examples
#' hc_gestage_pt_centile
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"hc_gestage_pt_centile"
################################################################################
#
#' International Newborn Size References for Very Preterm Infants: table of
#' z-score for head circumference-for-gestational age for very preterm infants
#'
#' @format A tibble with 882 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{sd}}{Standard deviation (z-score): -3, -2, -1, 0, 1, 2, 3}
#' \item{\code{hc}}{Head circumference in centimetres}
#' }
#'
#' @examples
#' hc_gestage_pt_sd
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"hc_gestage_pt_sd"
################################################################################
#
#' International Newborn Size References for Very Preterm Infants: table of
#' centiles for weight-length ratio-for-gestational age for very preterm infants
#'
#' @format A tibble with 882 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{centile}}{Centile - 3rd, 5th, 10th, 50th, 90th, 95th, 97th}
#' \item{\code{wlr}}{Weight-length ratio in kilograms/metres}
#' }
#'
#' @examples
#' wlr_gestage_pt_centile
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"wlr_gestage_pt_centile"
################################################################################
#
#' International Newborn Size References for Very Preterm Infants: table of
#' z-score for weight-length ratio-for-gestational age for very preterm infants
#'
#' @format A tibble with 882 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{sd}}{Standard deviation (z-score): -3, -2, -1, 0, 1, 2, 3}
#' \item{\code{wlr}}{Weight-length ratio in kilogram/metre}
#' }
#'
#' @examples
#' wlr_gestage_pt_sd
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"wlr_gestage_pt_sd"
################################################################################
#
#' International Newborn Size Standards: table of centiles for
#' birthweight-for-gestational age for infants
#'
#' @format A tibble with 980 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{centile}}{Centile - 3rd, 5th, 10th, 50th, 90th, 95th, 97th}
#' \item{\code{bw}}{Birthweight in kilograms}
#' }
#'
#' @examples
#' bw_gestage_term_centile
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"bw_gestage_term_centile"
################################################################################
#
#' International Newborn Size Standards: table of z-score for
#' birthweight-for-gestational age for infants
#'
#' @format A tibble with 980 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{sd}}{Standard deviation (z-score): -3, -2, -1, 0, 1, 2, 3}
#' \item{\code{bw}}{Birthweight in kilograms}
#' }
#'
#' @examples
#' bw_gestage_term_sd
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"bw_gestage_term_sd"
################################################################################
#
#' International Newborn Size Standards: table of centiles for
#' birth length-for-gestational age for infants
#'
#' @format A tibble with 980 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{centile}}{Centile - 3rd, 5th, 10th, 50th, 90th, 95th, 97th}
#' \item{\code{bl}}{Birth length in centimetres}
#' }
#'
#' @examples
#' bl_gestage_term_centile
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"bl_gestage_term_centile"
################################################################################
#
#' International Newborn Size Standards: table of z-score for
#' birth length-for-gestational age for infants
#'
#' @format A tibble with 980 and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{sd}}{Standard deviation (z-score): -3, -2, -1, 0, 1, 2, 3}
#' \item{\code{bl}}{Birth length in centimetres}
#' }
#'
#' @examples
#' bl_gestage_term_sd
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"bl_gestage_term_sd"
################################################################################
#
#' International Newborn Size Standards: table of centiles for head
#' circumference-for-gestational age for infants
#'
#' @format A tibble with 980 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{centile}}{Centile - 3rd, 5th, 10th, 50th, 90th, 95th, 97th}
#' \item{\code{hc}}{Head circumference in centimetres}
#' }
#'
#' @examples
#' hc_gestage_term_centile
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"hc_gestage_term_centile"
################################################################################
#
#' International Newborn Size Standards: table of z-score for head
#' circumference-for-gestational age for infants
#'
#' @format A tibble with 980 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{sd}}{Standard deviation (z-score): -3, -2, -1, 0, 1, 2, 3}
#' \item{\code{hc}}{Head circumference in centimetres}
#' }
#'
#' @examples
#' hc_gestage_term_sd
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"hc_gestage_term_sd"
################################################################################
#
#' International Newborn Size Standards: table of centiles for
#' weight-length ratio-for-gestational age for infants
#'
#' @format A tibble with 980 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{centile}}{Centile - 3rd, 5th, 10th, 50th, 90th, 95th, 97th}
#' \item{\code{wlr}}{Weight-length ratio in kilograms/metres}
#' }
#'
#' @examples
#' wlr_gestage_term_centile
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"wlr_gestage_term_centile"
################################################################################
#
#' International Newborn Size Standards: table of z-score for
#' weight-length ratio-for-gestational age for infants
#'
#' @format A tibble with 980 rows and 5 columns:
#' \describe{
#' \item{\code{week}}{Gestational age weeks component}
#' \item{\code{day}}{Gestational age days component}
#' \item{\code{sex}}{Sex; 1 = male; 2 = female}
#' \item{\code{sd}}{Standard deviation (z-score): -3, -2, -1, 0, 1, 2, 3}
#' \item{\code{wlr}}{Weight-length ratio in kilogram/metre}
#' }
#'
#' @examples
#' wlr_gestage_term_sd
#'
#' @source Villar J, Giuliani F, Fenton TR, Ohuma EO, Ismail LC,
#' Kennedy SH et al. INTERGROWTH-21st very preterm size at birth reference
#' charts. Lancet 2016, 387(10021):844-45.
#'
#
################################################################################
"wlr_gestage_term_sd"
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