Table 1 Preoperative demographic data of each three group
Group | I | II | III |
|---|---|---|---|
Number of patient | 59 | 53 | 39 |
Average age at surgery (range) | 26.8 (16-67) | 27.5 (12 - 66) | 24.0 (14-39) |
Male - female ratio | 24/35 | 23/30 | 21/18 |
Follow-up period (months)(range) | 32.9 (24 - 60) | 33.9 (24 - 60) | 35.6 (24 - 61) |
Preop. period (months)(range) | 13.9 (2 - 40) | 27.5 (1 - 192) | 14.4 (1 - 180) |
Preoperative Tegner score (range) | 6.7 (4 - 8) | 7.1 (4 - 9) | 7.1 (3-9) |