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. 2020 Feb 25;8(2):2325967120903699. doi: 10.1177/2325967120903699

Table 5.

Two-Way Risk Ratio and 95% CI for Concussion Sustained in Boys’ High School Football, Soccer, Wrestling, Ice Hockey, and Lacrossea

Football Soccer Wrestling Ice Hockey Lacrosse
Football 1
Soccer 2.98 (2.68-3.32) 1
Wrestling 2.27 (2.05-2.51) 0.76 (0.66-0.87) 1
Ice hockey 1.27 (1.10-1.46) 0.43 (0.36-0.50) 0.56 (0.47-0.66) 1
Lacrosse 1.67 (1.47-1.89) 0.56 (0.48-0.65) 0.73 (0.63-0.86) 1.31 (1.09-1.58) 1

aSport in the left column is the referent group. Significance was set to P = .05.