Postoperative pain and PT.
| Variables | Normal (n = 91) | Prolonged (n = 38) | P Value |
| Pain before first PT session, n (%) | 0.759 | ||
| None/mild (0–5) | 50 (54.9) | 18 (47.4) | |
| Moderate/severe (6–10) | 23 (25.3) | 11 (28.9) | |
| Not specified | 18 (19.8) | 9 (23.7) | |
| Days to ambulation | 0.055 | ||
| Mean ± SD | 2.4 ± 0.9 | 2.7 ± 0.8 | |
| Median (interquartile range) | 2 (2, 3) | 3 (2, 3) | |
| Ambulation steps on first day of ambulation, mean ± SD | 104.0 ± 106.0 | 69.2 ± 72.0 | 0.094 |
| Maximum ambulation steps before discharge, mean ± SD | 202.0 ± 83.7 | 188.0 ± 84.6 | 0.297 |
Abbreviation: PT, physical therapy.