Patient demographics and mechanisms of injury by case group
| Characteristic | Cases (n = 36) | Controls (n = 50) |
|---|---|---|
| Age (range) (mean) (yr) | 18–75 (38.7) | 18–73 (41.5) |
| Sex | ||
| Male | 29 | 36 |
| Female | 7 | 14 |
| Mechanism of injury | ||
| Motor vehicle collision | 26 | 25 |
| Motorcycle collision | 5 | 1 |
| Fall from heighta | 3 | 8 |
| All-terrain vehicle accident | 2 | 0 |
| Motor vehicle vs pedestrian | 0 | 7 |
| Assault | 0 | 4 |
| Fall from standing | 0 | 3 |
| Fall from horse | 0 | 1 |
| Bicycle accident | 0 | 1 |
↵a Fall from height = (>10 ft, 3.048 m).