Table 6.
Multi‐linear regression analysis to predict appendicular lean tissue using the optimized five‐site protocol
| Model development | Appendicular lean tissue prediction (kg) | Validation fold | Adjusted R 2 | SEE (kg) | P‐value model |
|---|---|---|---|---|---|
| Folds 1 + 2 | 2.801 + (1.564*X2) − (2.011*X3) + (0.0253*X4) | 3 | 0.91 | 1.62 | <0.001 |
| Folds 1 + 3 | 3.509 + (1.507*X2) − (2.105*X3) + (0.0238*X4) | 2 | 0.90 | 1.72 | <0.001 |
| Folds 2 + 3 | 2.477 + (1.594*X2) − (1.838*X3) + (0.0250*X4) | 1 | 0.93 | 1.54 | <0.001 |
| Average | 2.929 + (1.555*X2) − (1.985*X3) + (0.0247*X4) | — | 0.91 | 1.62 | — |
X2 = five‐site muscle thickness (average four‐site muscle thickness + anterior upper arm muscle thickness) × height (cm × m), X3 = sex (male = 0, female = 1), X4 = age (years). SEE, standard error of the estimate.