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Pre- and postoperative walking speed, walking rate, and timed up and go (TUG) tests.
| Preoperation | Postoperation | |
|---|---|---|
| Average ± SD | Average ± SD | |
| Walking velocity (m/min) | 72.29 ± 0.16 | 76.92 ± 0.41 |
| Steps of 10-meter walks | 16.00 ± 0.00 | 16.00 ± 1.00 |
| Walking rate (steps/min) | 115.64 ± 2.23 | 123.00 ± 3.17 |
| Step length (m) | 0.63 ± 0.00 | 0.63 ± 0.04 |
| Timed up and go (sec) | 7.46 ± 0.18 | 5.92 ± 0.36 |
