Study patient characteristics with comparison between those with violent and non-violent injuries
| Characteristic | All (N=1126) | Violent (n=154) | Non-violent (n=972) | P value |
| Age | 11 (3–16) | 12 (1–17) | 11 (4–15) | 0.494 |
| Male gender | 804 (71) | 129 (84) | 675 (69) | <0.001* |
| ISS | 13 (9–24) | 16 (9–25) | 11 (9–24) | 0.193 |
| Anatomical injuries‡ | <0.001* | |||
| Head | 451 (40) | 58 (38) | 393 (40) | |
| Face | 155 (14) | 20 (13) | 135 (14) | |
| Thorax | 212 (19) | 47 (31) | 165 (17) | |
| Abdomen | 169 (15) | 42 (27) | 127 (13) | |
| Spine | 121 (11) | 7 (5) | 114 (12) | |
| Pelvis | 85 (8) | 2 (1) | 83 (9) | |
| Limbs | 591 (52) | 41 (27) | 550 (57) | |
| Mechanism of injury | <0.001* | |||
| Penetrating | 54 (5) | 54 (35) | 0 (0) | |
| Blunt | 1072 (95) | 100 (65) | 972 (100) | |
| Outcomes | ||||
| Length of stay, days | 6 (4–13) | 6 (3–11) | 6 (4–14) | 0.046† |
| 30-day mortality | 34 (3) | 7 (5) | 27 (3) | 0.234 |
| Trauma readmission | 4 (0.4) | 2 (1) | 2 (0.2) | 0.034* |
Continuous data are reported as median and IQR in parentheses; categorical data are summarised as n (%).
*Statistically significant using χ2 analysis.
†Statistically significant using Mann-Whitney test.
‡Patients could be scored for multiple domains.
ISS, Injury Severity Score.