Table 2.
Pre- and postoperative clinical results for group analysis
| Clinical results | All | Group HF | Group U | Significance |
|---|---|---|---|---|
| Mean HSS (SD) | ||||
| Preoperative | 73.9 (9.6) | 74.7 (10.1) | 72.8 (8.8) | 0.514 |
| Postoperative | 81.5 (9.0) | 82.2 (6.7) | 80.5 (11.7) | 0.535 |
| Flexion contracture (SD) | ||||
| Preoperative | 9.1 (11.5) | 7.8 (10.4) | 8.9 (9.6) | 0.639 |
| Postoperative | 1.4 (3.7) | 2.2 (4.4) | 0.2 (0.9) | 0.008 |
| Maximum knee flexion (SD) | ||||
| Preoperative | 129 (16.1) | 131 (12.4) | 129 (15.3) | 0.443 |
| Postoperative | 130 (13.1) | 131 (12.8) | 132 (10.0) | 0.715 |
HSS = Hospital for Special Surgery score.