Table 1. .
One-Year Injury Risk by Age in Youth Football Players During Games in the 2013 Season
| Type of Injury |
Age, y |
Risk Ratio for Players Aged 11–15 y Versus 5–10 y (95% Confidence Interval) |
|||
| 5–10 (n = 1137) |
11–15 (n = 961) |
||||
| Injured Athletes, n |
Risk, % |
Injured Athletes, n |
Risk, % |
||
| All injuries | 107 | 9.41 | 127 | 13.22 | 1.40 (1.10, 1.79)a |
| Time-loss injuries only | 23 | 2.02 | 50 | 5.20 | 2.57 (1.58, 4.18)a |
| Non–time-loss injuries only | 90 | 7.92 | 87 | 9.05 | 1.14 (0.86, 1.52) |
| Concussion only | 10 | 0.88 | 22 | 2.29 | 2.60 (1.24, 5.47)a |
a
Indicates difference (95% confidence interval did not include 1.00).