Table 2 Results (average value ± SD) of the calibration with the standard method (SM) and proposed method (PM) with N values of 8 and 16 in unchanged body positions
Body position | Method | R2 | Relative RMSE [%] | Relative volume error [%] |
|---|---|---|---|---|
Sitting | SM | 0.789 ± 0.050 | 45.7 ± 5.5 | -9.2 ± 22.9 |
PM(N=8) | 0.935 ± 0.017 | 25.4 ± 3.4 | -6.5 ± 10.4 | |
PM(N=16) | 0.948 ± 0.011 | 22.7 ± 2.7 | -4.1 ± 11.0 | |
Supine | SM | 0.792 ± 0.070 | 45.2 ± 7.0 | 1.8 ± 19.3 |
PM(N=8) | 0.937 ± 0.026 | 24.6 ± 5.3 | -0.3 ± 7.3 | |
PM(N=16) | 0.945 ± 0.027 | 22.7 ± 5.9 | -0.4 ± 7.2 |