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| Assessment | CPAK Change | Frequency (n) | Mean | SD | P-value |
|---|---|---|---|---|---|
| VAS at rest | No | 120 | 1.05 | 1.38 | 0.212 |
| Yes | 101 | 1.30 | 1.55 | ||
| VAS during movement | No | 120 | 3.80 | 2.03 | 0.561 |
| Yes | 101 | 3.97 | 2.32 | ||
| Range of movement (o) | No | 120 | 74.06 | 19.07 | 0.013 |
| Yes | 101 | 67.13 | 21.89 | ||
| Walking distance (m) | No | 120 | 21.81 | 19.87 | 0.079 |
| Yes | 101 | 17.89 | 12.84 |
