Table 1

 Exposure, number of acute injuries and incidence of acute injuries on different turfs

Exposure, playing hours (%)Number of injuriesInjury incidence, n/1000 playing hours (95% CI)
MatchTrainingTotalMatchTrainingTotalMatchTraining
Grass27 627 (67)45 417 (45)73 044 (51)230562868.3 (7.2 to 9.4)1.2 (0.9 to 1.6)
Artificial turf9402 (23)30 577 (30)39 979 (28)82371198.7 (6.8 to 10.6)1.2 (0.8 to 1.6)
Gravel3905 (9)21 251 (21)25 156 (18)2616426.7 (4.1 to 9.2)0.8 (0.4 to 1.1)
Indoor377 (1)4165 (4)4542 (3)54913.3 (1.6 to 24.9)1.0 (0 to 1.9)
Total41 311101 410142 7213431134568.3 (7.4 to 9.2)1.1 (0.9 to 1.3)