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RR and OR of injury per 1000 hours of exposure between match and training according to age group
| U9–11 | U12–14 | U15 | U16 | U18 | |
|---|---|---|---|---|---|
| RR (95% CI) | 0.17 (0.01 to 13.80) | 0.17 (0.06 to 0.60) | 1.09 (0.57 to 2.44) | 1.83 (0.55 to 4.90) | 0.87 (0.60 to 1.40) |
| OR (95% CI) | 0.15 (0.02 to 4.90) | 0.11 (0.03 to 0.71) | 1.31 (0.26 to 10) | 3.36 (0.42 to 17.53) | 0.62 (0.12 to 3.61) |
RR, relative risk; U, under.
