Table 4.
Results of RMSE and correlation between I-TCPs and F-scan at comfortable gait speeds.
| Comfortable Speed | ||||||
|---|---|---|---|---|---|---|
| Subject No. | 1 | 2 | 3 | 4 | Ave ± SD | |
| RMSE (mm) |
* COPx | 1.07 | 1.56 | 1.77 | 0.74 | 1.29 ± 0.47 |
| ** COPy | 7.99 | 12.38 | 19.68 | 10.15 | 12.55 ± 5.08 | |
| *** COP(x,y) | 8.06 | 12.48 | 19.76 | 10.18 | 12.62 ± 5.10 | |
| Correlation Coefficient | * COPx | 0.47 | 0.58 | 0.65 | 0.46 | 0.54 ± 0.09 |
| ** COPy | 0.97 | 0.98 | 0.92 | 0.94 | 0.95 ± 0.03 | |
| *** COP(x,y) | 0.98 | 0.95 | 0.98 | 0.97 | 0.97 ± 0.01 | |
* COP(x): x-coordinate of COP (mediolateral shift), ** COP(y): y-coordinate of COP (anteroposterior shift), *** COP(x,y): x and y coordinates of COP.