Injury types according to longboard/skateboard status.
Specific injuries
Longboard
Skateboard
Chi-square
Rate ratio*
95% CI*
()
()
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
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.
