calc_lbw {clinPK}

Calculate lean body weight

Description

Get an estimate of lean body weight (LBW, in kg) based on weight, height, and sex.

Usage

calc_lbw(
  weight = NULL,
  bmi = NULL,
  sex = NULL,
  height = NULL,
  method = "green",
  digits = 1
)

Arguments

weight

total body weight in kg

bmi

bmi

sex

sex, either 'male' of 'female'

height

height in cm

method

estimation method, either 'green' (default), 'boer', 'james', 'hume'

digits

round to number of digits

Details

Note: technically not the same as fat-free mass, although difference is small.

References: 'green': Green and Duffull. Clin Pharmacol Ther 2002; 'james': Absalom AR et al. Br J Anaesth 2009; 103:26-37. James W. Research on obesity. London: Her Majesty's Stationary Office, 1976. 'hume' : Hume R et al. J Clin Pathol. 1966 Jul; 19(4):389-91. 'boer' : Boer P et al. Am J Physiol 1984; 247: F632-5

Value

Returns a list of the following elements:

value

Lean Body Weight (LBW) in units of kg

unit

Unit describing LBW, (kg)

Examples

calc_lbw(weight = 80, height = 170, sex = "male")
calc_lbw(weight = 80, height = 170, sex = "male", method = "james")