Patient characteristics and predicted travel time to a trauma centre
| Characteristic | MVC-related traumas | Penetrating traumas | ||||
|---|---|---|---|---|---|---|
| TC > 30 min n = 387 | TC ≤ 30 min n = 917 | p value | TC > 30 min n = 62 | TC ≤ 30 min n = 169 | p value | |
| Unadjusted mortality* | 30.2 | 22.8 | 0.0051 | 75.8 | 49.1 | < 0.001 |
| Age, yr, mean ± SD | 39.3 ± 20.8 | 39.4 ± 20.6 | 0.90 | 52.0 ± 20.5 | 41.9 ± 19.6 | < 0.001 |
| Male sex, no. (%) | 281 (72.6) | 615 (67.1) | 0.047 | 60 (96.8) | 157 (92.9) | 0.24 |
| ISS, mean ± SD | 27.7 ± 14.0 | 27.2 ± 14.4 | 0.60 | 30.9 ± 17.8 | 28.2 ± 17.8 | 0.32 |
| Prehospital time, min, mean ± SD | ||||||
| Prescene time | 18.6 ± 12.8 | 12.7 ± 8.6 | < 0.001 | 25.9 ± 18.8 | 13.4 ± 35.5 | 0.0037 |
| Scene time | 35.5 ± 22.4 | 28.8 ± 19.3 | < 0.001 | 34.3 ± 23.8 | 18.6 ± 21.3 | < 0.001 |
| Postscene time | 35.4 ± 25.5 | 26.8 ± 31.3 | < 0.001 | 44.7 ± 31.3 | 13.8 ± 8.7 | < 0.001 |
| Extrication time | 35.8 ± 20.9 | 33.6 ± 20.5 | 0.60 | — | — | — |
| On-scene death, no. (%)† | 81 (20.9) | 112 (12.2) | < 0.001 | 39 (62.9) | 74 (43.8) | < 0.001 |
| Ejection, no. (%) | 122 (31.5) | 189 (20.6) | < 0.001 | — | — | — |
| Low SES, no. (%) | 117 (30.3) | 154 (17.1) | < 0.001 | 32 (51.6) | 48 (28.4) | 0.004 |