Table 2

SRC rates and rate ratios (RRs) reported by included studies

SportPaperMatch (95% CI)Training (95% CI)Overall (SD)AE unitsRR
SoccerComstock et al 2015372.080.20Events10.67
Kerr et al 2017332.470.83.09
Kerr et al 2019342.180.21410.19
Kerr et al 2019384.040.410.10
Chandran et al 2021360.75
Khodae et al 2016320.73 (±0.07)
McGuine et al 2019391.1
Schallmo et al 2017400.75 (±0.16)
Putukian et al 2019352.570.64.28
BasketballKerr et al 2017332.610.2Events13.05
Schallmo et al 2017400.43 (±0.05)
Lempke et al 2021410.52
Kerr et al 2019341.210.1557.81
Putukian et al 2019350.50.590.85
LacrosseKerr et al 20193410.166Events6.02
Comstock et al 2020440.41 (±0.09)
Bretzin et al 2021450.358
Putukian et al 2019351.621.271.28
Field hockeyKerr et al 2019340.650.087Events7.47
Putukian et al 2019351.740.345.12
Nedimyer et al 2021480.54
Gaelic footballTeahan et al 2021315.210.36Hours14.47
O'Connor et al 2020471.54
Ice hockeyPutukian et al 2019352.170.45Events4.82
Chandran et al 2021490.7
Rugby unionKing et al 20204316.11 (8.4 to 31)0.3 (0.0 to 2.1)Hours53.70
Armstrong and Greig 2018421.77
Teahan et al 2021318.2
CamogieTeahan et al 2021311.79Hours
Buckley and Blake 2018462.65
  • SRC, sport-related concussion.