Table 7.
Associated injuries of the male and female motorcycle riders.
| Variables | Male N = 4028 | Female N = 2919 | p |
|---|---|---|---|
| Head trauma, n(%) | |||
| Neurologic deficit | 40(1.0) | 21(0.7) | 0.228 |
| Cranial fracture* | 443(11.0) | 157(5.4) | <0.001 |
| Epidural hematoma (EDH)* | 288(7.1) | 91(3.1) | <0.001 |
| Subdural hematoma (SDH)* | 502(12.5) | 240(8.2) | <0.001 |
| Subarachnoid hemorrhage (SAH)+ | 293(7.3) | 319(10.9) | <0.001 |
| Intracerebral hematoma (ICH)* | 113(2.8) | 55(1.9) | 0.014 |
| Cerebral contusion | 257(6.4) | 164(5.6) | 0.189 |
| Cervical vertebral fracture* | 38(0.9) | 14(0.5) | 0.027 |
| Maxillofacial trauma, n(%) | |||
| Maxillary fracture* | 454(11.3) | 241(8.3) | <0.001 |
| Mandibular fracture* | 164(4.1) | 89(3.0) | 0.025 |
| Orbital fracture | 126(3.1) | 72(2.5) | 0.102 |
| Nasal fracture* | 74(1.8) | 31(1.1) | 0.009 |
| Thoracic trauma, n(%) | |||
| Rib fracture* | 506(12.6) | 278(9.5) | <0.001 |
| Sternal fracture | 5(0.1) | 4(0.1) | 0.883 |
| Hemothorax | 88(2.2) | 45(1.5) | 0.054 |
| Pneumothorax* | 108(2.7) | 38(1.3) | <0.001 |
| Lung contusion* | 82(2.0) | 20(0.7) | <0.001 |
| Hemopneumothorax* | 87(2.2) | 25(0.9) | <0.001 |
| Thoracic vertebral fracture | 30(0.7) | 20(0.7) | 0.772 |
| Abdominal trauma, n(%) | |||
| Intra-abdominal injury | 68(1.7) | 42(1.4) | 0.411 |
| Hepatic injury | 119(3.0) | 68(2.3) | 0.112 |
| Splenic injury* | 74(1.8) | 31(1.1) | 0.009 |
| Retroperitoneal injury* | 12(0.3) | 1(0.0) | 0.012 |
| Renal injury* | 37(0.9) | 10(0.3) | 0.004 |
| Urinary bladder injury | 12(0.3) | 3(0.1) | 0.084 |
| Lumbar vertebral fracture+ | 36(0.9) | 46(1.6) | 0.009 |
| Sacral vertebral fracture+ | 17(0.4) | 23(0.8) | 0.047 |
| Extremity trauma, n(%) | |||
| Scapular fracture* | 118(2.9) | 49(1.7) | 0.001 |
| Clavicle fracture | 554(13.8) | 361(12.4) | 0.092 |
| Humeral fracture+ | 150(3.7) | 219(7.5) | <0.001 |
| Radial fracture+ | 334(8.3) | 386(13.2) | <0.001 |
| Ulnar fracture+ | 176(4.4) | 179(6.1) | 0.001 |
| Metacarpal fracture | 158(3.9) | 97(3.3) | 0.190 |
| Pelvic fracture+ | 122(3.0) | 122(4.2) | 0.010 |
| Femoral fracture* | 494(12.3) | 267(9.1) | <0.001 |
| Patella fracture* | 146(3.6) | 49(1.7) | <0.001 |
| Tibial fracture+ | 406(10.1) | 349(12.0) | 0.013 |
| Fibular fracture | 239(5.9) | 162(5.5) | 0.499 |
| Calcaneal fracture+ | 197(4.9) | 181(6.2) | 0.018 |
| Metatarsal fracture | 97(2.4) | 89(3.0) | 0.102 |
* Indicates a higher incidence of male than female patients; + indicates a higher incidence of female than male patients.