Accuracy of measurements of small changes in soft-tissue mass by dual-energy x-ray absorptiometry


Table 3: Measured values and theoretical values (preinfusion weight plus weight change after saline infusion) for total, lean soft-tissue and lean mass
Mean mass (and standard deviation), kg
Type of massMeasured DXA valueTheoretical valuep value
Total75.2 (7.01)75.1 (7.02)0.22
Lean soft tissue61.0 (5.78)60.4 (5.67)0.10
Lean63.7 (6.01)63.0 (5.91)0.09