Parameter | ISS category | Overall (N = 153) | P value§ | |
---|---|---|---|---|
 | ISS < 16 (n = 135) | ISS ≥ 16 (n = 18) |  |  |
Age group (years) | Â | Â | Â | 0.04 |
Below 25 | 88 | 8 | 96 | Â |
25-34 | 21 | 6 | 27 | Â |
35-44 | 7 | 3 | 10 | Â |
45 and older | 19 | 1 | 20 | Â |
Mechanism of injury | Â | Â | Â | 0.69 |
Personal assault | 5 | 0 | 5 | Â |
Gunshot | 9 | 1 | 10 | Â |
Blast | 121 | 17 | 138 | Â |
Prehospital time (minutes)* | Â | Â | Â | 0.29 |
≤ 30 | 19 | 1 | 20 |  |
31-60 | 19 | 5 | 24 | Â |
61-720 | 59 | 6 | 65 | Â |
> 720 | 25 | 5 | 30 | Â |