Table 5 Distribution of assumed explanatory variables for trauma death by time cohorts.
Time period 1 | Time period 2 | Time period 3 | |
|---|---|---|---|
Age (years) | 26.8 (25.3 - 28.4) | 24.2 (22.9 - 25.6) | 25.9 (25.2 - 26.6) |
ISS | 11.0 (9.9 - 12.1) | 6.1 (5.5 - 6.7) | 7.1 (6.8 - 7.4) |
PSS-1 | 8.8 (8.4 - 9.2) | 10.2 (10.0 - 10.4) | 9.8 (9.7 - 9.9) |
PSS-2 | 11.6 (11.5 - 11.7) | 11.5 (11.4 - 11.6) | 11.3 (11.2 - 11.4) |
In-field response time (hours) | 1.6 (1.2 - 1.9) | 0.9 (0.8 - 1.0) | 0.65 (0.6 - 0.7) |
Total evacuation time (hours) | 4.4 (3.8 - 5.0) | 3.6 (3.3 - 3.9) | 2.3 (2.2 - 2.4) |