Table 1.
Patient Characteristics and Preoperative Clinical Data a
| Control Group (n = 102) | Hyperextension Group (n = 102) | P Value | |
|---|---|---|---|
| Age, y | 31.5 ± 9.1 | 31.6 ± 9 | .753 |
| Female patients | 35 (34.3) | 35 (34.3) | |
| Time from injury to surgery, mo | 7.9 ± 6.5 | 7.9 ± 5.9 | .838 |
| KT-1000 arthrometer laxity, preoperative, mm | 7.5 ± 1.1 | 7.5 ± 1.2 | .727 |
| Pivot shift, preoperative, 0-3 | .261 | ||
| 1 | 28 (27.5) | 18 (17.6) | |
| 2 | 48 (47.1) | 55 (53.9) | |
| 3 | 26 (25.5) | 29 (28.4) | |
| Knee passive hyperextension, deg | 1.6 ± 1.8 | 9.6 ± 3.1 | <.001 |
| Associated meniscal injury | 28 (27.5) | 28 (27.5) | ≥.999 |
| Contralateral knee ligament injury | 2 (2) | 2 (2) | ≥.999 |
| Follow-up time, mo | 34.7 ± 12.8 | 38 ± 13.2 | .028 |
a Data are presented as mean ± SD or n (%). Bolded P value indicates a statistically significant difference between groups (P < .05).