Overall breakdown of trauma missions, mean on-scene times with 95% confidence interval and associated p values for the comparison of entrapment versus non-entrapment and road-traffic collision versus other trauma call incidents
| Trauma on-scene times | Missions (n) | Missions (%) | Mean (min) | 95% CI (min) | Student’s t test |
|---|---|---|---|---|---|
| OTC, other trauma calls; RTC, road traffic collision. | |||||
| Entrapment | 29 | 16.1 | 44.5 | 8 | p<0.001 |
| Non-entrapment | 151 | 83.9 | 21.5 | 2 | |
| RTC | 90 | 50 | 28.5 | 3.5 | p = 0.006 |
| OTC | 90 | 50 | 22 | 2.5 | |