Table 3 Baseline characteristics
| Variable | Total (n=507) | Survivors (n=407) | Non-survivors (n=100) |
|---|---|---|---|
| Mean age (years) ±SD | 36.8±19.6 | 34.9±18.1 | 44.4±23.4 |
| Sex (% male) | 367 (72) | 293 (72) | 74 (74) |
| Intravenous infusion (%) | 424 (87) | 337 (87) | 87 (89) |
| Oxygen administration (%) | 258 (53) | 203 (52) | 55 (56) |
| Physician in attendance at scene (%) | 98 (19) | 69 (17) | 29 (29) |
| Mean total time before arrival at trauma centre (min) ± SD | 61.9±26.8 | 61.9±24.7 | 62.1±33.4 |