Table 4.
Specific bicycling-related injuries*
| Specific injury | Group; no. (%) | p value | ||
|---|---|---|---|---|
| Overall, n = 258 | Street cyclists, n = 209 | Mountain bikers, n = 49 | ||
| Head | 174 (67.4) | 146 (69.9) | 28 (57.1) | 0.09 |
| Cerebral contusion | 56 (21.7) | 46 (22.0) | 10 (20.4) | |
| Concussion | 43 (16.7) | 37 (17.7) | 6 (12.2) | |
| Diffuse axonal injury | 16 (6.2) | 11 (5.3) | 5 (10.2) | |
| Epidural hematoma | 22 (8.5) | 20 (9.6) | 2 (4.1) | |
| Subarachnoid hemorrhage | 56 (21.7) | 46 (22.0) | 10 (20.4) | |
| Subdural hematoma | 67 (26.0) | 58 (27.8) | 9 (18.4) | |
| Spine | 118 (45.7) | 86 (41.1) | 32 (65.3) | 0.003 |
| Cervical fracture | 50 (19.4) | 37 (17.7) | 13 (26.5) | |
| Thoracolumbar fracture | 46 (17.8) | 33 (15.8) | 13 (26.5) | |
| Cord injury | 22 (8.5) | 16 (7.7) | 6 (12.2) | |
| Thorax | 88 (34.1) | 73 (34.9) | 15 (30.6) | 0.62 |
| Hemo- and/or pneumothorax | 51 (19.8) | 38 (18.2) | 13 (26.5) | |
| Pulmonary contusion(s) | 29 (11.2) | 20 (9.6) | 9 (18.4) | |
| Rib fracture(s) | 60 (23.3) | 52 (24.9) | 8 (16.3) | |
| Abdomen | 26 (10.1) | 22 (10.5) | 4 (8.2) | 0.79 |
| Kidney | 7 (2.7) | 6 (2.9) | 1 (2.0) | |
| Liver | 5 (1.9) | 4 (1.9) | 1 (2.0) | |
| Small bowel | 2 (0.78) | 1 (0.48) | 1 (2.0) | |
| Spleen | 14 (5.4) | 12 (5.7) | 2 (4.1) | |
| Bony pelvis | 17 (6.6) | 15 (7.2) | 2 (4.1) | 0.75 |
| Extremity | 99 (38.4) | 77 (36.8) | 20 (40.8) | 0.63 |
| Upper fractures | 33 (12.8) | 25 (12.0) | 8 (16.3) | 0.48 |
| Lower fractures | 32 (12.4) | 21 (15.3) | 0 (0) | 0.001 |
*
The sum of patients in each category does not always equal the total as many patients had multiple injuries.