Table 4.
Pooled concussion injury risk (%)
| Sport | Pooled Athlete-Seasons | No. of Concussions | Concussion Injury Risk, % (95% CI) |
|---|---|---|---|
| Judo (girls) | 2035 | 235 | 11.55 (11.52, 11.58) |
| Football (boys) | 20,599 | 2302 | 11.18 (11.17, 11.18) |
| Cheerleading (girls) | 4440 | 405 | 9.12 (9.11, 9.13) |
| Wrestling (boys) | 5283 | 390 | 7.38 (7.37, 7.39) |
| Soccer (girls) | 8080 | 579 | 7.17 (7.16, 7.17) |
| Judo (boys) | 3097 | 219 | 7.07 (7.06, 7.09) |
| Basketball (girls) | 5399 | 381 | 7.06 (7.05, 7.07) |
| Wrestling (girls) | 2502 | 165 | 6.59 (6.58, 6.61) |
| Soccer (boys) | 6656 | 299 | 4.49 (4.49, 4.50) |
| Basketball (boys) | 6689 | 248 | 3.71 (3.70, 3.71) |
| Softball (girls) | 7230 | 267 | 3.69 (3.69, 3.70) |
| Volleyball (girls) | 7806 | 273 | 3.50 (3.49, 3.50) |
| Baseball (boys) | 7893 | 178 | 2.26 (2.25, 2.26) |
| Volleyball (boys) | 5257 | 52 | 0.99 (0.99, 0.99) |
| Boys’ sports | 55,474 | 3688 | 6.65 (6.65, 6.65) |
| Girls’ sports | 37,492 | 2305 | 6.15 (6.15, 6.15) |
| Total | 92,966 | 5993 | 6.45 (6.45, 6.45) |