Table 2 Postoperative alterations in gait function and muscle strength
Preoperative | 6 months | P values | Cohen’s d | |
|---|---|---|---|---|
Gait speed (cm/sec) | ||||
mean (standard deviation), 95% confidence interval | 80.6 (32.6), 70.4, 90.7 | 105.2 (24.1), 97.7, 112.7 | < 0.001 | 0.85 |
Timed Up-and-Go test (sec) | ||||
mean (standard deviation), 95% confidence interval | 16.7 (16.3), 11.6, 21.8 | 9.0 (3.5), 7.9, 10.1 | < 0.001 | 0.63 |
Ipsilateral hip abductor strength (Nm/kg) | ||||
mean (standard deviation), 95% confidence interval | 0.41 (0.21), 0.35, 0.48 | 0.69 (0.23), 0.61, 0.76 | < 0.001 | 1.24 |