Location and type of injury | Rate per 1000 player-hours (95% CI)* | |||||
0 years BC experience (n=557†) | 1 year BC experience (n=651)† | 2+ years BC experience (n=634)† | ||||
Location | n (/135) | Rate | n (/140) | Rate | n (/127) | Rate |
Head/Face‡ (including concussions) | 65 | 4.00 (3.03 to 5.12) | 62 | 3.88 (2.89 to 5.19) | 49 | 2.80 (1.90 to 4.13) |
Neck/Throat | 4 | 0.25 (0.07 to 0.63) | 3 | 0.19 (0.04 to 0.55) | 5 | 0.29 (0.09 to 0.67) |
Shoulder/Clavicle‡ | 16 | 0.99 (0.60 to 1.63) | 19 | 1.19 (0.73 to 1.93) | 15 | 0.86 (0.46 to 1.60) |
Arm/Elbow/Forearm | 4 | 0.25 (0.07 to 0.63) | 4 | 0.25 (0.07 to 0.64) | 4 | 0.23 (0.06 to 0.59) |
Wrist/Hand‡ | 11 | 0.68 (0.38 to 1.19) | 9 | 0.56 (0.29 to 1.10) | 12 | 0.69 (0.36 to 1.31) |
Back/Side | 0 | 0.00 (0.00 to 0.28) | 6 | 0.38 (0.14 to 0.82) | 3 | 0.17 (0.04 to 0.50) |
Chest/Ribs/Abdomen | 4 | 0.25 (0.07 to 0.63) | 3 | 0.19 (0.04 to 0.55) | 4 | 0.23 (0.06 to 0.59) |
Pelvis/Hips/Groin/Upper leg | 3 | 0.18 (0.04 to 0.54) | 7 | 0.44 (0.18 to 0.90) | 7 | 0.40 (0.16 to 0.82) |
Knee | 9 | 0.55 (0.25 to 1.05) | 7 | 0.44 (0.18 to 0.90) | 5 | 0.29 (0.09 to 0.67) |
Lower leg/Ankle/Foot | 3 | 0.18 (0.04 to 0.54) | 3 | 0.19 (0.04 to 0.55) | 11 | 0.63 (0.31 to 1.12) |
Other | 3 | 0.18 (0.04 to 0.54) | 1 | 0.06 (0.00 to 0.35) | 0 | 0.00 (0.00 to 0.21) |
Missing/Unknown‡ | 13 | 0.80 (0.44 to 1.47) | 16 | 1.00 (0.55 to 1.83) | 12 | 0.69 (0.39 to 1.21) |
Type | ||||||
Contusion‡ | 8 | 0.49 (0.25 to 0.96) | 12 | 0.75 (0.40 to 1.40) | 12 | 0.69 (0.35 to 1.34) |
Concussion‡ | 64 | 3.94 (3.03 to 5.12) | 61 | 3.81 (2.83 to 5.13) | 49 | 2.80 (1.90 to 4.13) |
Joint/Ligament sprain/Dislocation‡ | 13 | 0.80 (0.48 to 1.34) | 17 | 1.06 (0.64 to 1.76) | 14 | 0.80 (0.41 to 1.57) |
Fracture‡ | 23 | 1.42 (0.94 to 2.14) | 16 | 1.00 (0.61 to 1.65) | 20 | 1.14 (0.67 to 1.95) |
Muscle strain/Tendonitis‡ | 9 | 0.55 (0.30 to 1.02) | 15 | 0.94 (0.54 to 1.64) | 13 | 0.74 (0.40 to 1.39) |
Abrasion/Bleeding/Burn/Blister | 0 | 0.00 (0.00 to 0.28) | 0 | 0.00 (0.00 to 0.23) | 2 | 0.11 (0.01 to 0.41) |
Other | 3 | 0.18 (0.04 to 0.54) | 0 | 0.00 (0.00 to 0.23) | 2 | 0.11 (0.01 to 0.41) |
Missing/Unknown‡ | 15 | 0.92 (0.53 to 1.60) | 19 | 1.19 (0.69 to 2.06) | 15 | 0.86 (0.51 to 1.44) |
*Crude rates with 95% exact Poisson CIs.
†Sum of n is 1842, given that it is player-season (195 players participated in more than one season).
‡Corresponding 95% Poisson CIs adjusted for cluster by team (offset by game-hours).
BC, body checking.