Table 7.
Study population with information on age of beginning to play football on a regularly basis and the number of active seasons played since then (n = 185) and the corresponding ICD/IMD values, number and percentage of valgus/varus, and normal knee alignment. IMD: intermalleolar distance; ICD: intercondylar distance; mm: millimeters; SD: standard deviation.
| GroupFE | I ≤5 Years |
II 6–10 Years |
III >10 Years |
|---|---|---|---|
| n | 37 | 110 | 38 |
| Age [y] (mean/SD) |
10.6/2.6 | 12.2/1.7 | 16.9/1.2 |
| Football exposure [y] (mean/SD) |
3.8/1.4 | 7.7/1.3 | 12.3/1.0 |
| ICD/IMD [mm] (mean/SD) |
–5/31 | –11/31 | 16/22 |
| Valgus/normal/varus (n (%)) |
5 (13.5)/25 (67.6)/7 (18.9) | 15 (13.6)/91 (82.7)/4 (3.6) | 1 (2.6)/26 (68.4)/11 (28.9) |