Table 7.
The mean (and standard deviation) of discrete outcome measures for both the estimate and its corresponding reference (based on inertial full-body motion capture data) of all subjects.
| Subjects | Max knee F/E angle (degrees) | vGRF peak (BW) | Loading rate (BW/s) | |||
|---|---|---|---|---|---|---|
| Reference | Estimate | Reference | Estimate | Reference | Estimate | |
| S01 | 45.41 (3.56) | 65.90 (24.61) | 2.79 (0.08) | 3.82 (0.96) | 44.39 (7.37) | 33.86 (35.59) |
| S02 | 42.96 (1.55) | 33.04 (1.19) | 2.96 (0.07) | 2.92 (0.13) | 50.72 (4.93) | 43.91 (7.38) |
| S03 | 35.18 (1.25) | 40.21 (5.38) | 2.95 (0.08) | 2.72 (0.64) | 58.41 (6.86) | 38.72 (8.27) |
| S04 | 41.11 (1.22) | 38.35 (3.73) | 2.81 (0.07) | 2.86 (0.14) | 56.97 (8.71) | 70.75 (12.11) |
| S05 | 36.38 (2.08) | 41.88 (3.81) | 3.21 (0.10) | 3.15 (0.19) | 68.77 (7.65) | 48.87 (17.20) |
| S06 | 35.12 (3.05) | 37.42 (2.68) | 3.01 (0.09) | 3.01 (0.12) | 48.56 (5.13) | 41.47 (3.58) |
| S07 | 39.24 (1.92) | 38.97 (3.65) | 2.99 (0.08) | 2.91 (0.08) | 58.06 (8.37) | 58.19 (8.75) |
| S08 | 39.45 (1.99) | 38.36 (1.68) | 3.02 (0.08) | 3.17 (0.23) | 47.92 (7.23) | 56.06 (10.79) |
| Mean | 39.36 (3.72) | 41.77 (10.08) | 2.97 (0.13) | 3.07 (0.34) | 54.23 (7.86) | 48.98 (12.10) |
| p-value | 0.47 | 0.26 | 0.37 | |||
These estimates were obtained by training on multiple subjects and evaluating on a different subject (using running data at 12 km/h). Outcomes are averaged over approximately 400 steps (left and right combined). P-values are calculated using a paired t-test with the subject mean values.