| Cause of trauma | Frequency | Percentage % |
| Public road accident | 115 | 57.5 |
| Voluntary knocks and blows | 35 | 17.5 |
| Work accident | 27 | 13.5 |
| Domestic accident | 14 | 7.0 |
| Other | 9 | 4.5 |
| Total | 200 | 100 |