Prehospital phase (95% CI)
| AI | SCA | Median of the difference* | ||||||
| 95% CI | 95% CI | |||||||
| n (%) | Lower | Upper | n (%) | Lower | Upper | |||
| Arrival mode | Ambulance | 3233 (44) | 43% | 45% | 123 (26) | 22% | 30% | – |
| Car | 129 (1.8) | 1.5% | 2.1% | 11 (2.3) | 1.0% | 3.6% | – | |
| Helicopter | 556 (7.6) | 7% | 8% | 3 (0.6) | 0.0% | 1.3% | – | |
| Not recorded | 3395 (46) | 45% | 47% | 344 (72) | 68% | 76% | – | |
| Other | 31 (0.4) | 0.3% | 0.5% | 0 | – | – | – | |
| Time to arrival (median hours IQR) | All | 1.8 (1.1–12.8) | – | – | 8 (1.2–21.2) | – | – | −1.8 (–3.6 to −0.7) |
| Direct to MTC | 1.5 (1–9.3) | – | – | 4.1 (0.8–18.6) | – | – | −0.5 (1.3 to −0.2) | |
| To MTC via TU | 13.8 (6.1–28) | – | – | 21.6 (7.9–41) | – | – | −3.3 (–6.9 to −0.9) | |
| Data missing (time to arrival) | 181 (2.5) | 2.1% | 2.8% | 69 (14) | 11% | 17% | – | |
| First hospital (n) | MTC | 2965 (40) | 39% | 42% | 136 (28) | 24% | 32% | – |
| Adult | 630 (8.6) | 8% | 9% | 38 (7.9) | 5.5% | 10.3% | – | |
| Combined | 1409 (19) | 18% | 20% | 50 (10.4) | 7.7% | 13.1% | – | |
| Paediatric | 926 (13) | 12% | 13% | 48 (10) | 7.3% | 12.7% | – | |
| Stayed at a TU | 2798 (38) | 37% | 39% | 186 (39) | 34% | 43% | – | |
| Transfer from TU to MTC | 1581 (22) | 21% | 22% | 159 (33) | 29% | 37% | – | |
* Based on Hodges-Lehmann test.
AI, accidental injury; MTC, major trauma centre; SCA, suspected child abuse; TU, trauma unit.