Table 2 Comparisons of outcomes at 3 time-points between Hydrotherapy group and Convention group
Outcomes | Hydrotherapy group (n = 19) | Convention group (n = 49) | P-value |
|---|---|---|---|
Knee Society Function Score | |||
Preop | 60.00 ± 13.33 | 55.61 ± 10.98 | 0.169 |
Postop 6 months | 78.95 ± 14.59 | 70.82 ± 14.12 | 0.038* |
Postop 1 year | 83.42 ± 12.92 | 74.59 ± 15.34 | 0.030* |
Numeric Pain Rating Scale | |||
Postop 1st session | 3.95 ± 1.31 | 4.10 ± 1.71 | 0.724 |
Postop 4 weeks | 0.95 ± 1.27 | 1.20 ± 1.32 | 0.470 |
Postop last session | 0.00 ± 0.00 | 0.08 ± 0.45 | 0.433 |
Passive range of motion of knee (degrees) | |||
Flexion | |||
Postop 1st session | 99.21 ± 6.51 | 95.10 ± 12.31 | 0.080 |
Postop 4 weeks | 112.21 ± 6.55 | 108.16 ± 8.76 | 0.043* |
Postop last session | 118.16 ± 5.33 | 113.06 ± 7.76 | 0.011* |
Extension | |||
Postop 1st session | 2.11 ± 3.04 | 4.29 ± 5.40 | 0.102 |
Postop 4 weeks | 0.26 ± 1.15 | 2.14 ± 3.06 | < 0.001* |
Post-op last session | 0.26 ± 1.15 | 1.43 ± 2.70 | 0.015* |
Self-reported walking tolerance (minutes) | |||
Post-op 1st session | 5.26 ± 1.15 | 5.61 ± 2.63 | 0.580 |
Post-op 4 weeks | - | - | - |
Post-op last session | 71.84 ± 29.40 | 54.90 ± 21.37 | 0.011* |
Timed Up and Go Test (seconds) | |||
Post-op 1st session | 40.58 ± 10.43 | 50.49 ± 20.98 | 0.054 |
Post-op 4 weeks | - | - | - |
Post-op last session | 10.11 ± 2.33 | 11.43 ± 4.19 | 0.199 |
30-s Chair Stand Test (repetitions) | |||
Post-op 1st session | 1.74 ± 2.51 | 1.90 ± 2.82 | 0.828 |
Post-op 4 weeks | - | - | - |
Post-op last session | 12.21 ± 3.41 | 11.47 ± 3.84 | 0.464 |