Table 3.

Annual concussion rate per sport and sex per 1000 athlete-exposures (95% CI)

Sport	2011-2012	2012-2013	2013-2014	2014-2015	2015-2016	2016-2017	Total
Judo (girls)	2.04(1.42, 2.66)	2.00(1.38, 2.62)	2.99(2.21, 3.76)	2(1.37, 2.63)	1.81(1.25, 2.37)	1.30(0.81, 1.79)	1.92(1.68, 2.17)
Football (boys)	1.59(1.43, 1.74)	1.80(1.63, 2.00)	1.76(1.59, 1.92)	1.52(1.36, 1.67)	1.32(1.17, 1.47)	1.58(1.42, 1.74)	1.60(1.53, 1.66)
Judo (boys)	0.82(0.51, 1.13)	1.12(0.76, 1.47)	1.79(1.28, 2.29)	1.56(1.13, 2.00)	1.34(0.93, 1.76)	0.88(0.55, 1.21)	1.18(1.02, 1.33)
Wrestling (boys)	0.96(0.71, 1.20)	1.31(1.02, 1.60)	1.29(1.00, 1.57)	0.96(0.71, 1.21)	1.24(0.94, 1.55)	1.06(0.77, 1.34)	1.14(1.02, 1.25)
Soccer (girls)	0.93(0.73, 1.13)	1.16(0.94, 1.38)	1.35(1.11, 1.58)	0.90(0.70, 1.10)	1.06(0.84, 1.28)	1.20(0.96, 1.44)	1.10(1.01, 1.19)
Basketball (girls)	0.51(0.33, 0.69)	0.96(0.71, 1.21)	1.61(1.29, 1.92)	0.98(0.72, 1.24)	1.17(0.90, 1.45)	1.20(0.90, 1.49)	1.09(0.98, 1.19)
Cheerleading (girls)	0.58(0.42, 0.75)	0.78(0.59, 0.97)	1.17(0.93, 1.42)	0.90(0.66, 1.14)	0.97(0.70, 1.24)	2.04(1.64, 2.43)	1.01(0.91, 1.11)
Wrestling (girls)	0.99(0.62, 1.37)	0.92(0.54, 1.29)	1.33(0.88, 1.79)	0.65(0.34, 0.96)	1.23(0.83, 1.63)	0.96(0.61, 1.31)	1.01(0.86, 1.17)
Soccer (boys)	0.64(0.44, 0.83)	0.75(0.54, 0.96)	0.84(0.63, 1.06)	0.77(0.56, 0.97)	0.68(0.50, 0.86)	0.50(0.35, 0.68)	0.69(0.61, 0.77)
Softball (girls)	0.38(0.24, 0.51)	0.50(0.35, 0.66)	0.76(0.57, 0.94)	0.73(0.53, 0.92)	0.53(0.37, 0.69)	0.51(0.35, 0.68)	0.57(0.50, 0.64)
Basketball (boys)	0.42(0.27, 0.57)	0.53(0.37, 0.70)	0.95(0.73, 1.17)	0.62(0.43, 0.80)	0.37(0.23, 0.52)	0.51(0.34, 0.67)	0.57(0.50, 0.64)
Volleyball (girls)	0.29(0.17, 0.41)	0.49(0.35, 0.64)	0.61(0.45, 0.77)	0.62(0.45, 0.79)	0.52(0.37, 0.67)	0.75(0.56, 0.95)	0.54(0.47, 0.60)
Baseball (boys)	0.18(0.09, 0.27)	0.43(0.30, 0.57)	0.41(0.13, 0.55)	0.37(0.24, 0.50)	0.37(0.24, 0.50)	0.30(0.18, 0.42)	0.35(0.30, 0.40)
Volleyball (boys)	0.17(0.06, 0.29)	0.16(0.05, 0.27)	0.11(0.02, 0.20)	0.18(0.07, 0.29)	0.20(0.09, 0.31)	0.08(0.01, 0.15)	0.15(0.11, 0.19)
Total	0.81(0.76, 0.87)	1.00(0.94, 1.06)	1.17(1.11, 1.24)	0.93(0.87, 0.99)	0.89(0.83, 0.94)	0.97(0.91, 1.03)	0.96(0.94, 0.99)
Boys’ sports							1.00(0.97, 1.03)
Girls’ sports							0.91(0.87, 0.95)