Patient selection: up until puberty
Parameters:
(1) weight in kilograms
(2) height in cm
extracellular water in liters =
= 0.0682 * ((weight)^0.4) * ((height)^0.633)
extracellular water in liters =
= 0.583 * ((weight)^0.678)
intracellular water in liters =
= 0.0491 * ((weight)^0.867) * ((height)^0.537)
intracellular water in liters =
= 0.309 * ((weight)^1.091)
Performance:
• The standard deviation for the first ECW equation was 16%.
• The standard deviation for the second ECW equation was 20%.
• The standard deviation for the first ICW equation was 20%.
• The standard deviation for the second ICW equation was 20%.
