Results of two-sample t-tests for continuous variables
| Variable | PHCCT (mean) | Non-PHCCT (mean) | P value | 95% CI for difference |
| Age | 45.4 | 55.3 | <0.01 | (−11.16 to −8.49) |
| ISS (log-transformed) | 2.8 | 2.3 | <0.01 | (0.52 to 0.61) |
ISS, Injury Severity Score; PHCCT, prehospital critical care team.