Table 1.
Cohort demographics
| Characteristic | Number of patients | |
| Total no | 11,491 | |
| Age (median/LQ–UQ) | 34 | 24–51 |
| Sex (male) | 7427 | 65.5% |
| Race/ethnicity | ||
| Asian/other | 1518 | 13.2% |
| Black | 968 | 8.4% |
| Hispanic | 3814 | 33.2% |
| Unknown | 245 | 2.1% |
| White | 4945 | 43.0% |
| Mechanism | ||
| MV occupant | 8443 | 73.5% |
| Seatbelt | 6512 | 77.1% |
| No seatbelt | 1023 | 12.1% |
| Other/unknown | 908 | 10.8% |
| Motorcycle | 3048 | 26.5% |
| Helmet | 2697 | 88.5% |
| No helmet | 281 | 9.2% |
| Unknown | 70 | 2.3% |
| ISS (median/LQ–UQ) | 5 | 2–11 |
| ICU admissions | 2412 | 21% |
| Operations | 2950 | 25.7% |
| Outcome (mortality) | 170 | 1.5% |
ICU, intensive care unit; ISS, Injury Severity Score; LOS, length of stay; MV, motor vehicle.