de Lorenzo et al repoorted an equation for predicting fat-free mass for children using bioelectircal impedance analysis. The authors are from University Tor Vergata and University La Sapienza in Rome.

Patient selection: children from 7.7 to 13 years of age



(1) height in centimeters

(2) impedance in ohms

(3) body weight in kilograms


fat-free mass in kilograms =

= (0.588 * ((height)^2) / (impedance)) + (0.211 * (weight)) + 2.330



• r is 0.96 and SEE 1.0 kg

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