Table 5 Results (average value ± SD) of the calibration with the standard method and proposed method with N values of 8 and 16 using the subject-independent model
Breathing | Method | R2 | Relative RMSE [%] | Relative volume error [%] |
|---|---|---|---|---|
Free | SM | 0.694 ± 0.152 | 53.8 ± 13.5 | 14.7 ± 40.8 |
PM(N=8) | 0.890 ± 0.065 | 31.8 ± 10.0 | -6.5 ± 21.9 | |
PM(N=16) | 0.900 ± 0.056 | 30.3 ± 9.2 | -0.3 ± 23.2 | |
Controlled | SM | -0.259 ± 0.768 | 107.2 ± 35.1 | 99.5 ± 51.3 |
PM(N=8) | 0.894 ± 0.061 | 31.4 ± 9.2 | -0.2 ± 24.0 | |
PM(N=16) | 0.889 ± 0.055 | 32.4 ± 8.2 | -1.2 ± 24.7 |