Table 3.
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) | 45.05 (3.94) | 2.79 (0.08) | 2.83 (0.06) | 44.39 (7.37) | 45.52 (8.05) |
| S02 | 42.96 (1.55) | 42.56 (1.29) | 2.96 (0.07) | 2.94 (0.05) | 50.72 (4.93) | 46.38 (6.25) |
| S03 | 35.18 (1.25) | 35.55 (1.06) | 2.95 (0.08) | 3.00 (0.08) | 58.41 (6.86) | 51.90 (7.47) |
| S04 | 41.11 (1.22) | 41.68 (1.17) | 2.81 (0.07) | 2.82 (0.05) | 56.97 (8.71) | 50.55 (7.60) |
| S05 | 36.38 (2.08) | 38.24 (4.36) | 3.21 (0.10) | 3.12 (0.08) | 68.77 (7.65) | 64.86 (7.44) |
| S06 | 35.12 (3.05) | 34.30 (2.63) | 3.01 (0.09) | 3.07 (0.08) | 48.56 (5.13) | 53.81 (5.57) |
| S07 | 39.24 (1.92) | 40.85 (2.37) | 2.99 (0.08) | 2.98 (0.12) | 58.06 (8.37) | 51.73 (6.10) |
| S08 | 39.45 (1.99) | 39.58 (1.65) | 3.02 (0.08) | 3.02 (0.07) | 47.92 (7.23) | 44.88 (6.11) |
| Mean | 39.36 (3.72) | 39.72 (3.59) | 2.97 (0.13) | 2.97 (0.10) | 54.23 (7.86) | 51.20 (6.44) |
| p-value | 0.31 | 0.79 | 0.08 | |||
These estimates were obtained by training and evaluating on a single subject. 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.