Demographics
| Enrolled | Completed PSSI-5 | Level II trauma activations (with ISS) | |
| Gender (%) | M: 63.1, F: 36.9 | M: 61.0, F: 39.0 | M: 63.0, F: 37.0 |
| n | 103 | 59 | 1183 |
| Median age (years) | 58 | 58 | 51 |
| Mean age±SD (years) | 55.0±22.4 | 55.0±22.7 | 52.0±23 |
| Race (%) | |||
| White | 72.8 | 78.0 | 67.0 |
| Black | 15.5 | 10.2 | 9.8 |
| Asian | 3.9 | 3.4 | 1.4 |
| Other | 7.8 | 8.5 | 20.6 |
| Unknown | 0.0 | 0.0 | 0.8 |
| Ethnicity (%) | |||
| Non-Hispanic | 93.2 | 93.2 | 77.4 |
| Hispanic | 6.8 | 6.8 | 20.7 |
| Unknown | 0.0 | 0.0 | 1.9 |
| Mean ISS±SD | 11.68±6.83 | 11.45±7.08 (collected for 55/59) | 10.21±7.72 |
| Mechanism of injury (%) | |||
| Motor vehicle collision | 42.7 | 42.4 | 36.4 |
| Fall | 32.0 | 30.5 | 34.1 |
| Pedestrian struck | 9.7 | 8.5 | 8.5 |
| Motorcycle collision | 5.8 | 8.5 | 6.3 |
| Bicycle ijury | 1.0 | 1.7 | 3.4 |
| Assault | 1.0 | 1.7 | 2.8 |
| Other | 7.8 | 6.8 | 8.5 |
| Proportion of patients with AIS score≥3 (by body region, %)* | |||
| Head | 12.6 | 11.9 | 17.3 |
| Face | 0.0 | 0.0 | 0.6 |
| Neck | 1.9 | 0.0 | 1.5 |
| Thorax | 24.3 | 20.3 | 20.5 |
| Abdomen | 4.9 | 6.8 | 3.8 |
| Spine | 9.7 | 6.8 | 7.6 |
| Upper extremity | 1.9 | 1.7 | 1.0 |
| Lower extremity | 19.4 | 18.6 | 12.2 |
| External and other | 0.0 | 0.0 | 0.0 |
*AIS scores: 1, minor; 2, moderate; 3, serious; 4, severe; 5, critical; 6, maximum.
AIS, Abbreviated Injury Scale; F, female; ISS, Injury Severity Score; M, male; PSSI-5, Posttraumatic Stress Disorder Symptoms Scale Interview for DSM-5.