Table 2.
Injury types according to longboard/skateboard status.
| Specific injuries | Longboard | Skateboard | Chi-square | Rate ratio* | 95% CI* | ||
|---|---|---|---|---|---|---|---|
| (n = 474) | (n = 350) | P value | |||||
| Number | % | Number | % | ||||
| Extremity fractures | 191 | 40.3 | 125 | 35.7 | 0.1813 | 1.09 | 0.99–1.21 |
| Upper extremity | 112 | 23.6 | 100 | 28.6 | 0.1086 | 1.04 | 0.92–1.17 |
| Radius/ulna/radial head | 53 | 11.2 | 66 | 18.9 | 0.0019 | 0.90 | 0.75–1.07 |
| Clavicle (collarbone) | 39 | 8.2 | 8 | 2.3 | 0.0003 | 1.40 | 1.24–1.57 |
| Wrist/hand | 17 | 3.6 | 11 | 3.1 | 0.7283 | 1.13 | 0.88–1.45 |
| Humerus | 2 | 0.4 | 8 | 2.3 | 0.0153† | 0.60 | 0.21–1.77 |
| Lower | 36 | 7.6 | 22 | 6.3 | 0.4677 | 0.90 | 0.74–1.10 |
| Femur | 5 | 1.0 | 3 | 0.9 | 0.7748 | 0.90 | 0.55–1.47 |
| Tibia/fibula/ankle | 21 | 4.4 | 16 | 4.6 | 0.9231 | 0.84 | 0.64–1.10 |
| Soft tissue injury | |||||||
| Upper extremity | 75 | 15.8 | 59 | 16.9 | 0.6908 | 0.99 | 0.86–1.15 |
| Lower extremity | 53 | 11.2 | 61 | 17.4 | 0.0102 | 0.78 | 0.66–0.93 |
| Head/face | 22 | 4.6 | 7 | 2.0 | 0.0420 | 1.11 | 0.93–1.34 |
| Neck/back | 16 | 3.4 | 10 | 2.9 | 0.6739 | 1.03 | 0.77–1.37 |
| Chest/abdomen | 4 | 0.8 | 1 | 0.3 | 0.3078 | ||
| Dermal injury | 221 | 46.6 | 71 | 20.3 | <0.0001 | 1.42 | 1.29–1.56 |
| Dislocation | 19 | 4.0 | 12 | 3.4 | 0.6654 | 1.03 | 0.80–1.32 |
| Pulmonary injury‡ | 3 | 0.6 | 0 | 0.0 | 0.1359 | ||
| Solid organ injury | 4 | 0.8 | 0 | 0.0 | 0.0849 | ||
*Risk of the injury for longboarder compared with skateboarder patients, adjusted for age and sex.
†Based on Fisher's Exact Test.
‡Pneumothorax, pulmonary contusion.