Table 3 Categorisation of all 209 patients of the PFx group and all 761 patients of the control group by age and Injury Severity Score (ISS). All patients of the PFx group suffered severe trauma with an ISS equal to 17 or higher.
|  | Age < 55 years | Age ≥ 55 years | ||||||
|---|---|---|---|---|---|---|---|---|
| Â | PFx group | Control group | PFx group | Control group | ||||
ISS-groups | N | % | N | % | N | % | N | % |
1-8* | 0 | 0 | 3 | 1.1 | 0 | 0 | 21 | 4.3 |
9-15 | 0 | 0 | 21 | 7.9 | 0 | 0 | 91 | 18.4 |
16-24 | 3 | 3 | 40 | 15 | 4 | 3.7 | 103 | 20.9 |
25-40 | 20 | 19.8 | 100 | 37.5 | 27 | 25 | 188 | 38.1 |
41-49 | 14 | 13.9 | 35 | 13.1 | 22 | 20.4 | 30 | 6.1 |
50-74 | 40 | 39.6 | 29 | 10.9 | 33 | 30.6 | 34 | 6.9 |
75 | 24 | 23.8 | 39 | 14.6 | 22 | 20.4 | 27 | 5.5 |
Totals | 101 | 100 | 267 | 100 | 108 | 100 | 494 | 100 |