Table 5

Accuracy of InBody (770) and correction of 2.99% for DXA body fat percent (%BF) and fat-free mass (FFM)


Measure
InBody 770InBody Correction+2.99%
AllMenWomenAllMenWomen
%BF
 Bias−3.4−4.1−2.5−0.5−1.10.5
 MAE3.94.43.12.42.62.0
 SDE3.13.22.83.13.22.8
 LoA upper2.72.22.95.75.25.9
 LoA lower−9.5−10.3−7.9−6.6−7.3−4.9
 LoA absolute range12.212.410.912.212.410.9
FFM (kg)
 Bias−2.73.31.80.30.7−0.3
 MAE3.13.72.12.02.31.4
 SDE2.83.02.02.73.02.0
 LoA upper8.29.35.75.56.63.5
 LoA lower−2.8−2.6−2.2−4.9−5.1−4.1
 LoA absolute range10.911.97.910.411.67.7
  • DXA, dual-energy X-ray absorptiometry; LoA, 95% limits of agreement; MAE, mean absolute error; SDE, SD of error.