Concussions (n)* | Rates/100,000 athlete exposures | ||||||
---|---|---|---|---|---|---|---|
Sport | New | Recurrent | Total | New | Recurrent | Total | Rate ratio (95% CI)† |
Football | |||||||
Total | 1222 | 162 | 1384 | 47.6 | 6.3 | 53.9 | |
Competition | 759 | 103 | 862 | 174.7 | 23.7 | 198.4 | 8.58 (6.23 to 11.81) |
Practice | 463 | 59 | 522 | 21.7 | 2.8 | 24.4 | |
Boys' soccer | |||||||
Total | 160 | 21 | 181 | 17.4 | 2.3 | 19.7 | |
Competition | 132 | 19 | 151 | 48.0 | 6.9 | 54.9 | 22.21 (5.17 to 95.36) |
Practice | 28 | 2 | 30 | 4.4 | 0.3 | 4.7 | |
Girls' soccer | |||||||
Total | 209 | 33 | 242 | 25.8 | 4.1 | 29.8 | |
Competition | 178 | 29 | 207 | 73.5 | 12.0 | 85.4 | 17.02 (5.98 to 48.42) |
Practice | 31 | 4 | 35 | 5.4 | 0.7 | 6.2 | |
Volleyball | |||||||
Total | 46 | 8 | 54 | 5.8 | 1.0 | 6.8 | |
Competition | 26 | 4 | 30 | 9.6 | 1.5 | 11.1 | 1.96 (0.49 to 7.82) |
Practice | 20 | 4 | 24 | 3.8 | 0.8 | 4.6 | |
Boys' basketball | |||||||
Total | 102 | 9 | 111 | 9.2 | 0.8 | 10.0 | |
Competition | 70 | 6 | 76 | 21.5 | 1.8 | 23.4 | 4.84 (1.21 to 19.36) |
Practice | 32 | 3 | 35 | 4.1 | 0.4 | 4.5 | |
Girls' basketball | |||||||
Total | 153 | 27 | 180 | 16.7 | 2.9 | 19.6 | |
Competition | 120 | 18 | 138 | 44.1 | 6.6 | 50.7 | 4.73 (2.13 to 10.53) |
Practice | 33 | 9 | 42 | 5.1 | 1.4 | 6.5 | |
Wrestling | |||||||
Total | 129 | 23 | 152 | 15.3 | 2.7 | 18.1 | |
Competition | 70 | 12 | 82 | 31.9 | 5.5 | 37.4 | 3.10 (1.37 to 7.01) |
Practice | 59 | 11 | 70 | 9.5 | 1.8 | 11.3 | |
Baseball | |||||||
Total | 30 | 2 | 32 | 3.4 | 0.2 | 3.7 | |
Competition | 22 | 2 | 24 | 7.0 | 0.6 | 7.7 | |
Practice | 8 | 0 | 8 | 1.4 | 0.0 | 1.4 | |
Softball | |||||||
Total | 59 | 7 | 66 | 8.9 | 1.1 | 9.9 | |
Competition | 31 | 3 | 34 | 13.4 | 1.3 | 14.7 | 1.40 (0.31 to 6.25) |
Practice | 28 | 4 | 32 | 6.5 | 0.9 | 7.4 | |
Total | 2,110 | 292 | 2402 | 22.2 | 3.1 | 25.3 | |
Gender-Comparable‡ | |||||||
Boys' | |||||||
Total | 292 | 32 | 324 | 10.1 | 1.1 | 11.2 | |
Competition | 224 | 27 | 251 | 24.6 | 3.0 | 27.5 | 11.80 (4.54 to 30.64) |
Practice | 68 | 5 | 73 | 3.4 | 0.3 | 3.7 | |
Girls' | |||||||
Total | 421 | 67 | 488 | 17.6 | 2.8 | 20.4 | |
Competition | 329 | 50 | 379 | 44.1 | 6.7 | 50.8 | 6.48 (3.74 to 11.24) |
Practice | 92 | 17 | 109 | 5.6 | 1.0 | 6.6 | |
Total | 713 | 99 | 812 | 13.5 | 1.9 | 15.3 |