Characteristics of study population10
| No of patients | Complete study population | P1 patients | Not-P1 patients |
| (n=127 233) | (n=24 791) | (n=102 442) | |
| Gender (n (%)) | |||
| Male | 70 747 (55.6%) | 17 424 (70.3%) | 53 323 (52.1%) |
| Female | 56 486 (44.4%) | 7367 (29.7%) | 49 119 (47.9%) |
| ISS, median (IQR) | 9 (9–16) | 16 (9–25) | 9 (8–13) |
| Age (years), median (IQR) | 61.4 (43.1–80.0) | 50.6 (32.6–71.1) | 63.1 (46.1– 81.3) |
| 30-Day outcome, n (%) | |||
| Alive | 119 967 (94.3%) | 21 728 (87.6%) | 98 239 (95.9%) |
| Dead | 7266 (5.7%) | 3063 (12.4%) | 4203 (4.1%) |
| Mode of injury, n (%) | |||
| Blunt | 122 802 (96.5%) | 22 011 (88.8%) | 100 791 (98.4%) |
| Penetrating | 4431 (3.5%) | 2780 (11.2%) | 1651 (1.6%) |
| Mechanism of injury, n (%) | |||
| RTC | 27 915 (21.9%) | 8411 (33.9%) | 19 504 (19.0%) |
| Crush | 935 (0.7%) | 276 (1.1%) | 659 (0.6%) |
| Amputation (total+partial) | 123 (0.1%) | 48 (0.2%) | 75 (0.1%) |
| Fall >2 m | 18 141 (14.3%) | 4385 (17.7%) | 13 756 (13.4%) |
| Fall <2 m | 68 354 (53.7%) | 6885 (27.8%) | 61 469 (60.0%) |
| Shooting | 332 (0.3%) | 190 (0.8%) | 142 (0.1%) |
| Stabbing | 2899 (2.3%) | 2295 (9.3%) | 604 (0.6%) |
| Blast | 77 (0.1%) | 19 (0.1%) | 58 (0.1%) |
| Blow(s) | 5833 (4.6%) | 1536 (6.2%) | 4297 (4.2%) |
| Burns | 105 (0.1%) | 38 (0.2%) | 67 (0.1%) |
| Other | 2519 (2.0%) | 708 (2.9%) | 1811 (1.8%) |
| Injury body region, n (%) | |||
| Abdomen | 8010 (4.2%) | 4618 (9.3%) | 3392 (2.4%) |
| Face | 13 402 (7.1%) | 4080 (8.2%) | 9322 (6.6%) |
| Head | 30 167 (15.9%) | 8482 (17.1%) | 21 685 (15.5%) |
| Limb | 73 755 (38.9%) | 10 557 (21.3%) | 63 198 (45.2%) |
| Spine | 28 942 (15.3%) | 7318 (14.7%) | 21 624 (15.5%) |
| Thorax | 31 499 (16.6%) | 12 873 (25.9%) | 18 626 (13.3%) |
| Other | 3731 (2.0%) | 1699 (3.4%) | 2032 (1.5%) |
| Priority 1 (N (%)) | |||
| P1 | 24 791 (19.5%) | ||
| Not-P1 | 102 442 (80.5%) | ||
| LSI by type (n [% total LSI]) | 35 569 | ||
| Intubation and ventilation | 8813 (24.8%) | ||
| Blood administration | 2077 (5.8%) | ||
| (>4 units) | Median 6 (IQR 4–11) | ||
| Thoracocentesis (needle/tube) | 7914 (22.2%) | ||
| External haemorrhage control | 235 (0.7%) | ||
| Intraosseous access | 39 (0.1%) | ||
| Tranexamic acid | 4246 (11.9%) | ||
| Laparotomy | 2644 (7.4%) | ||
| Thoracotomy | 1123 (3.2%) | ||
| Proximal vascular control | 290 (0.8%) | ||
| Interventional radiology | 200 (0.6%) | ||
| Pelvic binder | 1166 (3.3%) | ||
| ACLS protocols | 374 (1.1%) | ||
| Neurosurgery | 2390 (6.2%) | ||
| Spinal nursing | 3114 (8.8%) | ||
| Seizure termination | 390 (1.1%) | ||
| Correction of low blood glucose | 83 (0.2%) | ||
| Re-warming | 471 (1.3%) | ||
ACLS, advanced cardiac life support; ISS, Injury Severity Score; LSI, life-saving intervention; P1, priority 1; RTC, road traffic collision.