Table 2.
Preoperative extension versus postoperative extension.
| Postaoperative extension | |||
|---|---|---|---|
| 0° | Fixed flexion | ||
| Preoperative extension | 0° | 75 (97.4%) | 2 (2.6%) |
| Fixed flexion | 30 (90.9%) | 3 (9.1%) | |
|
| |||
| McNemar, P < 0.001 | |||
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