ibw: Calculate Various Clinical Indicators

In metrumrg: Pharmacometric Tools for Data Preparation, Modeling, Simulation, and Reporting

Description

Calculate body mass index, body surface area, ideal body weight, lean body mass, or creatinine clearance using common equations.

Usage

bmi(wt, ht)
bsa(wt, ht)
lbm(wt, ht, male)
ibw(ht, male, floor = FALSE)
crcl(age, wt, male, scr)

Arguments

wt	weight (actually, mass) in kilograms
ht	height in centimeters
age	age in years
male	logical indicating sex: TRUE indicates male
floor	if TRUE, “inches over 5 feet” is not allowed to be negative.
scr	serum creatinine in mg/dL

Details

Units of return values:

bmi

kg/m^2

bsa

m^2

lbm

kg

ibw

kg

crcl

mL/min

Value

Numeric.

Author(s)

Tim Bergsma

References

bmi

[http://www.halls.md/body-mass-index/bmirefs.htm]

bsa

(BSA: Gehan & George variation) http://www.halls.md/body-surface-area/refs.htm

lbm

http://www.halls.md/body-mass-index/leanbody.htm

ibw

http://www.halls.md/ideal-weight/devine.htm

crcl

http://en.wikipedia.org/wiki/Renal_function

Examples

bmi(70,160)
bsa(70,160)
lbm(70,160,TRUE)
ibw(160,TRUE)
crcl(35,70,TRUE,1.0)

metrumrg documentation built on May 2, 2019, 5:55 p.m.