Zhu et al reported a number of equations for estimating the weight of a child less than 6 years old in the United States. One group of equations uses forearm width. The authors are from Kaiser Permanente, NIH, University of Texas at Austin, University of Minnesota, Johns Hopkins University, Michigan State University, UCLA and Purdue University.
Patient selection: age 0 to 5.9 years in the United States
Parameters:
(1) ethnic group
(2) length or height in centimeters (recumbent if < 2 years old, else standing)
(3) forearm width in cm (maximum width of the right arm with palm down onto a table)
