| Number or mean | Percent | SD |
---|---|---|---|
Total | 5095 | 100.0 | Â |
Gender | |||
 Male | 4045 | 79.4 |  |
 Female | 1050 | 20.6 |  |
Age (year) | 50.2 | Â | 14.2 |
 Male | 48.6 |  | 14.5 |
 Female | 55.9 |  | 13.3 |
 < 31 | 828 | 16.3 |  |
 31–60 | 2816 | 55.3 |  |
 > 61 | 1451 | 28.5 |  |
Injury mechanism | |||
 Traffic accident | 2108 | 41.4 |  |
 Slip down | 1432 | 28.1 |  |
 Falls | 678 | 13.3 |  |
 Assault | 459 | 9.0 |  |
 Industrial accident | 418 | 8.2 |  |
Injury type | |||
 Rib fracture | 3583 | 70.3 |  |
 Pneumothorax | 1019 | 20.0 |  |
 Hemopneumothorax | 247 | 4.8 |  |
 Lung contusion | 121 | 2.4 |  |
 Sternum fracture | 105 | 2.1 |  |
 Hemothorax | 41 | 0.8 |  |
Associated injury | 2649 | 52.0 | Â |
 Extremity fracture | 2080 | 78.5 |  |
 Abdominal | 232 | 8.8 |  |
 Clavicle fracture | 210 | 7.9 |  |
 Head and spinal | 96 | 3.6 |  |
 Facial | 31 | 1.2 |  |
ISS | 15.4 | Â | 10.1 |