Outcome measures
| Outcome | Emergency Medical System | ||||
| Basic n (%) | Advanced n (%) | OR | 95% CI | p Value | |
| Overall | n=101 | n=251 | |||
| Survival to hospital | 97 (96) | 232 (92) | 1.98 | 0.66 to 5.99 | 0.34 |
| Survival to discharge or 30 days | 85 (84) | 195 (78) | 1.53 | 0.83 to 2.81 | 0.19 |
| Moderate injuries | n=68 | n=171 | |||
| Survival to hospital | 66 (97) | 161 (94) | 2.05 | 0.44 to 9.61 | 0.90 |
| Survival to discharge or 30 days | 65 (96) | 150 (88) | 3.03 | 0.87 to 10.53 | 0.47 |
| Severe injuries | n=33 | n=80 | |||
| Survival to hospital | 31 (94) | 71 (89) | 1.96 | 0.40 to 9.63 | 0.50 |
| Survival to discharge or 30 days | 20 (61) | 45 (56) | 1.20 | 0.52 to 2.73 | 0.83 |