Injury patterns and environment at the time of injury (values in bold indicate stastistical significance)
| Pelvic injury | Mounted (n=126) | Dismounted (n=199) | P values |
| Pubic symphysis disruption | 42 (33%) | 137 (69%) | 0.0001 |
| Sacroiliac joint disruption | 42 (33%) | 143 (72%) | 0.0001 |
| Pubic ramus fracture | 66 (52%) | 72 (36%) | 0.0056 |
| Sacral fracture | 40 (32%) | 68 (43%) | 0.7173 |
| Spinal fracture | 58 (46%) | 40 (20%) | 0.0001 |
| Acetabular fracture | 40 (32%) | 58 (29%) | 0.6221 |
| Traumatic amputation | 33 (26%) | 152 (76%) | 0.0001 |