Characteristics of the study sample
| n | % | |
| Patients | 322 | 100 |
| Sex | ||
| Male | 206 | 64 |
| Female | 116 | 36 |
| Mean age (SD) (years) | 10.8 | 4.9 |
| Mean ISS (SD) | 11.2 | 10.7 |
| Mechanism of injury | ||
| MVC | 75 | 23.2 |
| Fall | 55 | 17 |
| Pedestrian struck | 46 | 14.2 |
| Bicycle crash | 44 | 13.6 |
| Assault | 13 | 4 |
| ATV | 10 | 3.1 |
| Sports | 8 | 3.1 |
| Non-accidental trauma | 4 | 1.2 |
| Other | 67 | 21.1 |
| CT scan results | 322 | |
| Concordance | 287 | 89.1 |
| Discordance | 35 | 10.9 |
ATV, All terrain vehicle; ISS, Injury Severity Score; MVC, motor vehicle crash.