Table 4.
Means in the PT-group 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 divided in number of treatment sessions. Within- and between groups differences over time
| Patients | Baseline | Within group changes | Between group change | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n, Treatment sessions (median, range) |
Mean (SD) | p-Value | Mean (SD) change from baseline |
p-Value | Effect size* | Mean difference (95% CI) | p-Value | Effect size** (95% CI) | |
| Gait speed normal | |||||||||
| 0-11 treatment sessions | 17 (5, 0-10) | 1.15 (0.14) | 0.711 | −0.06 (0.10) | 0.035 | - 0.37 | 0.04 (−0.04 to 0.12) | 0.305 | −0.312 (−0.635 - 0.012) |
| ≥ 12 treatment sessions | 55 (18, 12-23) | 1.12 (0.27) | − 0.10 (0.15) | < 0.001 | - 0.37 | ||||
| Gait speed fast | |||||||||
| 0-11 treatment sessions | 17 (5, 0-10) | 1.54 (0.32) | 0.857 | −0.05 (0.22) | 0.299 | - 0.21 | 0.08 (−0.04 to 0.19) | 0.181 | −0.372 (− 0.698 - -0.046) |
| ≥ 12 treatment sessions | 55 (18, 12-23) | 1.52 (0.40) | −0.13 (0.21) | < 0.001 | - 0.84 | ||||
| Quadriceps strength, right | |||||||||
| 0-11 treatment sessions | 18 (5, 0-10) | 25.23 (9.01) | 0.069 | −1.93 (7.50) | 0.289 | - 0.19 | - 0.26 (−3.34 to 2.80) | 0.865 | 0.014 (−0,277 – 0.36) |
| ≥ 12 treatment sessions | 54 (18, 12-23) | 21.23 (7.58) | −1.67 (4.96) | 0.016 | - 0.20 | ||||
| Quadriceps strength, left | |||||||||
| 0-11 treatment sessions | 18 (5, 0-10) | 22.51 (8.30) | 0.765 | −3.82 (10.50) | 0.141 | - 0.36 | - 1.90 (−5.80 to 2.10) | 0.354 | 0.22 (−0.101 – 0.541) |
| ≥ 12 treatment sessions | 54 (18, 12-23) | 21.80 (8.81) | −1.96 (5.96) | 0.019 | - 0.22 | ||||
SD standard deviation, CI confidence interval. Bold text p < .05. *Cohen d, **Hedges g