View source: R/standard_igfet.R
igfet_zscore2value | R Documentation |
Convert INTERGROWTH z-scores/centiles to fetal ultrasound measurements (generic)
igfet_zscore2value(
gagedays,
z = 0,
var = c("hccm", "bpdcm", "ofdcm", "accm", "flcm")
)
igfet_centile2value(
gagedays,
p = 50,
var = c("hccm", "bpdcm", "ofdcm", "accm", "flcm")
)
gagedays |
gestational age in days |
z |
z-score(s) to convert |
var |
the name of the measurement to convert ("hccm", "bpdcm", "ofdcm", "accm", "flcm") |
p |
centile(s) to convert (must be between 0 and 100) |
International standards for fetal growth based on serial ultrasound measurements: the Fetal Growth Longitudinal Study of the INTERGROWTH-21st Project Papageorghiou, Aris T et al. The Lancet, Volume 384, Issue 9946, 869-879
# get value for median head circumference for child at 100 gestational days
igfet_centile2value(100, 50, var = "hccm")
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