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TABLE 2

Estimated Risk of All Injury and Concussion From Body Checking

StudyEstimate of Risk of Body Checking (All Injury)Estimate of Risk of Body Checking (Concussion)
Hagel, 200647  Rate ratio 1.9 (CI 1.4–2.4) Rate ratio 3.4 (CI 1.4–8.4) 
Emery, 200615  Pee Wee, RR 2.97 (CI 1.63–5.8) Pee Wee RR 3.4 (0.93–18.61) 
Bantam RR 3.72 (CI 2.08–7.14) Bantam RR 4.04 (1.17–21.54) 
Midget RR 5.43 (CI 3.14–10.17) Midget RR 3.41 (1.02–17.87) 
Macpherson, 20069  OR 1.83 (CI 1.58–2.11) OR 1.42 (0.98–2.05) 
Emery, 201016  IRR 3.26 (CI 2.31–4.60) IRR 3.88 (1.91–7.89) 
Cusimano, 201110  OR 2.20 (CI 1.70–2.84) OR 10.08 (2.35–43.29) 
Darling, 201113  Rate ratio 3.75 (CI 1.51–9.34)  
StudyEstimate of Risk of Body Checking (All Injury)Estimate of Risk of Body Checking (Concussion)
Hagel, 200647  Rate ratio 1.9 (CI 1.4–2.4) Rate ratio 3.4 (CI 1.4–8.4) 
Emery, 200615  Pee Wee, RR 2.97 (CI 1.63–5.8) Pee Wee RR 3.4 (0.93–18.61) 
Bantam RR 3.72 (CI 2.08–7.14) Bantam RR 4.04 (1.17–21.54) 
Midget RR 5.43 (CI 3.14–10.17) Midget RR 3.41 (1.02–17.87) 
Macpherson, 20069  OR 1.83 (CI 1.58–2.11) OR 1.42 (0.98–2.05) 
Emery, 201016  IRR 3.26 (CI 2.31–4.60) IRR 3.88 (1.91–7.89) 
Cusimano, 201110  OR 2.20 (CI 1.70–2.84) OR 10.08 (2.35–43.29) 
Darling, 201113  Rate ratio 3.75 (CI 1.51–9.34)  

RR, relative risk.

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