% Admitted (n=342; 10.2%) | % Not admitted (n=3043; 89.8%) | OR | 95% CI | |
---|---|---|---|---|
Age (in years) | ||||
≤5 | 6.7 | 7.5 | 1.3 | 0.7 to 2.2 |
6–12 | 36.3 | 35.8 | 1.2 | 0.8 to 1.7 |
13–19 | 17.0 | 15.9 | 1.0 | 0.6 to 1.6 |
20–39 | 23.4 | 31.2 | 1.0 | Reference |
≥40 | 16.7 | 9.6 | 1.6 | 1.0 to 2.6 |
Gender | ||||
Male | 77.0 | 71.3 | 1.3 | 1.04 to 1.8 |
Female | 23.1 | 28.7 | 1.0 | Reference |
Crash characterstics | ||||
Motor vehicle involvement† | 36.0 | 12.8 | 3.8 | 3.0 to 4.9 |
Paved surface‡ | 83.0 | 76.8 | 1.5 | 1.1 to 2.0 |
Speed >15 mph§ | 29.0 | 21.8 | 1.5 | 1.2 to 1.9 |
ISS | ||||
≤8 | 52.0 | 97.9 | 1.0 | |
>8 | 48.0 | 2.1 | 43.6 | 31.0 to 61.3 |
Helmet use | 43.9 | 51.5 | 0.7 | 0.6 to 0.9 |
*Five subjects who were dead at the scene of the crash were omitted.
†Reference group: all other crashes not involving moving motor vehicle.
‡Reference group: all unpaved surfaces.
§Reference group: speed <15 mph.