Table 6.
Secondary analysis of subgroup of subjects (n=52) who did not use an assistive device during any of the QGAs. P-values for treatment group main effect, treatment group × time effect, and time effect by gait parameter are presented. Time effect at t2, t3, and t4 is relative to t1.
| Gait Parameter | Treatment Group main effect | Treatment Group × Time Effect | Time Effect | Time effect at t2 | Time effect at t3 | Time effect at t4 |
|---|---|---|---|---|---|---|
| Spatiotemporal | ||||||
| Cadence (steps/min) | >0.999 | >0.999 | 0.029* | 0.015* | 0.033* | 0.015* |
| Double support (sec) | >0.999 | >0.999 | >0.999 | |||
| Stride length (m) | >0.999 | 0.073 | <0.001* | 0.107 | 0.104 | 0.026* |
| Walking speed (m/sec) | >0.999 | 0.601 | <0.001* | 0.030* | 0.039* | 0.006* |
| Kinematic | ||||||
| Peak hip flex swing (deg) | >0.999 | >0.999 | >0.999 | |||
| Peak knee flex swing (deg) | >0.999 | >0.999 | 0.244 | |||
| Peak ankle DF swing (deg)‡ | 0.823 | >0.999 | 0.256 | |||
| Peak ankle DF at initial contact (deg) | >0.999 | 0.984 | >0.999 | |||
| Peak ankle abd swing (deg) | >0.999 | >0.999 | >0.999 | |||
| Peak ankle ext rot swing (deg) | >0.999 | >0.999 | >0.999 | |||
| Kinetic | ||||||
| AP Ground Reaction Force (Nm) | >0.999 | >0.999 | 0.003* | 0.246 | 0.231 | 0.032* |
| Peak hip power pre-swing (W/kg) | >0.999 | >0.999 | <0.001* | 0.031* | 0.007* | <0.0001* |
| Peak ankle power at push-off (W/kg) | >0.999 | >0.999 | 0.075 | 0.121 | 0.188 | 0.098 |
*
Statistically significant value, p<0.05