Number of athletes (per cent of total in the group) with either a concussion or an ankle injury (control group) in the four different sports
| Ice hockey (%) | Soccer (%) | Floorball (%) | Handball (%) | Total | |
|---|---|---|---|---|---|
| Concussion | 71 (25) | 158 (56) | 45 (16) | 7 (3) | 281 |
| Control | 43 (3) | 773 (63) | 400 (32) | 44 (4) | 1259 |