Table 3.
Associated injuries of bicyclists hospitalized due to trauma
| Variables | Bicycle | Motor | Odds ratio | p |
|---|---|---|---|---|
| n = 669 | n = 7300 | (95 % CI) | ||
| Head/Neck trauma, n(%) | ||||
| Neurologic deficit | 3(0.4) | 66(0.9) | 0.5(0.16-1.58) | 0.223 |
| Cranial fracture | 36(5.4) | 616(8.4) | 0.6(0.44-0.87) | 0.006 |
| Epidural hematoma (EDH) | 22(3.3) | 382(5.2) | 0.6(0.40-0.95) | 0.028 |
| Subdural hematoma (SDH) | 65(9.7) | 763(10.5) | 0.9(0.71-1.20) | 0.550 |
| Subarachnoid hemorrhage (SAH) | 63(9.4) | 885(12.1) | 0.8(0.58-0.99) | 0.039 |
| Intracerebral hematoma (ICH) | 16(2.4) | 182(2.5) | 1.0(0.57-1.61) | 0.872 |
| Cerebral contusion | 42(6.3) | 441(6.0) | 1.0(0.75-1.45) | 0.806 |
| Cervical vertebral fracture | 9(1.3) | 65(0.9) | 1.5(0.75-3.06) | 0.240 |
| Maxillofacial trauma, n(%) | ||||
| Orbital fracture | 6(0.9) | 206(2.8) | 0.3(0.14-0.70) | 0.003 |
| Maxillary fracture | 29(4.3) | 715(9.8) | 0.4(0.29-0.61) | <0.001 |
| Mandibular fracture | 12(1.8) | 269(3.7) | 0.5(0.27-0.86) | 0.011 |
| Nasal fracture | 5(0.7) | 110(1.5) | 0.5(0.20-1.21) | 0.115 |
| Rib fracture | 41(6.1) | 863(11.8) | 0.5(0.35-0.67) | <0.001 |
| Sternal fracture | 0(0.0) | 15(0.2) | - | 0.241 |
| Hemothorax | 7(1.0) | 159(2.2) | 0.5(0.22-1.01) | 0.050 |
| Pneumothorax | 8(1.2) | 166(2.3) | 0.5(0.26-1.06) | 0.068 |
| Hemopneumothorax | 9(1.3) | 129(1.8) | 0.8(0.38-1.50) | 0.423 |
| Lung contusion | 6(0.9) | 119(1.6) | 0.5(0.24-1.25) | 0.144 |
| Thoracic vertebral fracture | 2(0.3) | 54(0.7) | 0.4(0.10-1.65) | 0.191 |
| Abdominal trauma, n(%) | ||||
| Intra-abdominal injury | 7(1.0) | 134(1.8) | 0.6(0.26-1.21) | 0.138 |
| Hepatic injury | 9(1.3) | 216(3.0) | 0.4(0.23-0.88) | 0.016 |
| Splenic injury | 3(0.4) | 119(1.6) | 0.3(0.09-0.86) | 0.017 |
| Retroperitoneal injury | 1(0.1) | 15(0.2) | 0.7(0.10-5.51) | 0.757 |
| Renal injury | 4(0.6) | 52(0.7) | 0.8(0.30-2.33) | 0.735 |
| Urinary bladder injury | 0(0.0) | 18(0.2) | - | 0.199 |
| Lumbar vertebral fracture | 5(0.7) | 86(1.2) | 0.6(0.26-1.56) | 0.316 |
| Sacral vertebral fracture | 1(0.1) | 45(0.6) | 0.2(0.03-1.75) | 0.127 |
| Scrotum injury | 0(0.0) | 15(0.2) | - | 0.241 |
| Extremity trauma, n(%) | ||||
| Scapular fracture | 12(1.8) | 173(2.4) | 0.8(0.42-1.36) | 0.344 |
| Clavicle fracture | 50(7.5) | 945(12.9) | 0.5(0.40-0.73) | <0.001 |
| Humeral fracture | 73(10.9) | 393(5.4) | 2.2(1.65-2.80) | <0.001 |
| Radial fracture | 94(14.1) | 740(10.1) | 1.4(1.15-1.83) | 0.002 |
| Ulnar fracture | 55(8.2) | 370(5.1) | 1.7(1.25-2.25) | 0.001 |
| Metacarpal fracture | 7(1.0) | 266(3.6) | 0.3(0.13-0.60) | <0.001 |
| Pelvic fracture | 10(1.5) | 275(3.8) | 0.4(0.21-0.73) | 0.002 |
| Femoral fracture | 113(16.9) | 809(11.1) | 1.6(1.32-2.02) | <0.001 |
| Patella fracture | 14(2.1) | 207(2.8) | 0.7(0.42-1.27) | 0.263 |
| Tibia fracture | 44(6.6) | 778(10.7) | 0.6(0.43-0.81) | 0.001 |
| Fibular fracture | 27(4.0) | 420(5.8) | 0.7(0.46-1.03) | 0.065 |
| Calcaneal fracture | 29(4.3) | 396(5.4) | 0.8(0.54-1.16) | 0.230 |
| Metatarsal fracture | 7(1.0) | 201(2.8) | 0.4(0.18-0.80) | 0.008 |