Characteristics of study population
| Variable | Category/stats | Complete population (n=15 133) | Complete prehospital data (n=4962, 32.8%) | Complete first available data (n=8255, 54.5%) |
| Gender | Male | 10 294 (68.0%) | 3447 (69.5%) | 5682 (68.8%) |
| Female | 4839 (32.0%) | 1515 (30.5%) | 2573 (31.2%) | |
| Injury Severity Score (median (IQR)) | 9 (9–16) | 9 (9–17) | 9 (9–16) | |
| Age (years) (median (IQR)) | 7 (2.3–12.5) | 11.9 (8–14.2) | 10.7 (5.6–13.8) | |
| Outcome | Alive | 14 764 (97.6%) | 4909 (98.9%) | 8188 (99.2%) |
| Dead | 369 (2.4%) | 53 (1.1%) | 67 (0.8%) | |
| Mode of injury | Blunt | 14 668 (96.9%) | 4733 (95.4%) | 7912 (95.8%) |
| Penetrating | 465 (3.1%) | 229 (4.6%) | 343 (4.2%) | |
| Mechanism of injury (n (%)) | Fall less than 2 m | 6014 (39.7) | 1187 (23.9) | 2374 (28.8) |
| Vehicle incident/collision | 4721 (31.2) | 2459 (49.6) | 3616 (43.8) | |
| Fall more than 2 m | 1514 (10.0) | 645 (13.0) | 1031 (12.5) | |
| Blow(s) | 1270 (8.4) | 327 (6.6) | 601 (7.3) | |
| Other | 1118 (7.4) | 147 (3.0) | 319 (3.9) | |
| Stabbing | 229 (1.5) | 130 (2.6) | 196 (2.4) | |
| Crush | 160 (1.1) | 42 (0.9) | 73 (0.9) | |
| Burn | 44 (0.3) | 4 (0.1) | 12 (0.2) | |
| Shooting | 42 (0.3) | 16 (0.3) | 24 (0.3) | |
| Blast | 21 (0.1) | 5 (0.1) | 9 (0.1) | |
| Priority one (n (%)) | 2820 (18.6) | 875 (17.6) | 1349 (16.3) |