Table 2 Means in gait speed (m/s) at normal and fast speed and in maximum voluntary muscle force (Kg) of the right and left m. Quadriceps at baseline and after 9 week pre-surgery intervention. Within- and between groups differences over time
| Â | Â | Baseline | Â | Within group changes | Â | Between group change | ||
|---|---|---|---|---|---|---|---|---|
n | Mean (SD) | p-Value | Mean (SD) change from baseline | p-Value | Effect size* | Mean difference (95% CI) | p-Value | |
Gait speed, normal | ||||||||
 PT | 72 | 1.10 (0.24) | 0.112 | - 0.09 (0.14) | < 0.001 | - 0.34 | 0.07 (0.02 to 0.12) | 0.005 |
 Waiting-list | 77 | 1.13 (0.24) | - 0.01 (0.17) | 0.556 | - 0.04 | |||
Gait speed, fast | ||||||||
 PT | 72 | 1.52 (0.44) | 0.989 | - 0.12 (0.22) | 0.001 | - 0.29 | 0.21 (0.07 to 0.26) | < 0.001 |
 Waiting-list | 75 | 1.53 (0.38) | 0.05 (0.36) | 0.222 | 0.12 | |||
Quadriceps strength, right | ||||||||
 PT | 72 | 22.20 (8.08) | 0.958 | - 1.74 (5.64) | 0.011 | - 0.11 | 2.80 (0.74 to 4.87) | < 0.001 |
 Waiting-list | 80 | 22.22 (9.70) | 1.54 (6.51) | 0.026 | 0.16 | |||
Quadriceps strength, left | ||||||||
 PT | 72 | 21.81 (8.62) | 0.912 | - 2.40 (7.31) | 0.006 | - 0.25 | 3.28 (1.30 to 5.20) | 0.003 |
 Waiting-list | 78 | 21.80 (9.10) | 0.38 (5.40) | 0.368 | 0.01 | |||