Table 1

Cohort demographics

CharacteristicNumber of patients
Total no11,491
Age (median/LQ–UQ)3424–51
Sex (male)742765.5%
Race/ethnicity
 Asian/other151813.2%
 Black9688.4%
 Hispanic381433.2%
 Unknown2452.1%
 White494543.0%
Mechanism
 MV occupant844373.5%
  Seatbelt651277.1%
  No seatbelt102312.1%
  Other/unknown90810.8%
 Motorcycle304826.5%
  Helmet269788.5%
  No helmet2819.2%
  Unknown702.3%
ISS (median/LQ–UQ)52–11
ICU admissions241221%
Operations295025.7%
Outcome (mortality)1701.5%
  • ICU, intensive care unit; ISS, Injury Severity Score; LOS, length of stay; MV, motor vehicle.