Table 3.

Head fractures, spinal injuries, traumatic brain injury, and hemorrhages, along with selected outcomes according to longboard/skateboard status.

Specific injuries	Longboard		Skateboard		Chi-square	Rate ratio*	95% CI*
	(n = 474)		(n = 350)		P value
	Number	%	Number	%
Head fractures	41	8.6	2	0.6	<0.0001†	1.40	1.29–1.52
Skull/basilar skull	39	8.2	1	0.3	<0.0001†	1.42	1.32–1.53
Face	10	2.1	1	0.3	0.0293†	1.34	1.12–1.59
Spine‡	4	0.8	2	0.6	0.2971†	1.04	0.67–1.61
Traumatic brain injury	148	31.2	43	12.3	<0.0001	1.34	1.23–1.47
Severe	8	1.7	0	0.0	0.0239†
Moderate	30	6.3	0	0.0	<0.0001†
Mild	110	23.2	43	12.3	0.0002	1.23	1.12–1.36
Intracranial hemorrhage
Subdural hemorrhage	22	4.6	0	0.0	<0.0001†
Intraparenchymal hemorrhage	21	4.4	0	0.0	<0.0001†
Subarachnoid hemorrhage	16	3.4	0	0.0	0.0001†
Epidural hemorrhage	6	1.3	0	0.0	0.0415†
ICU length of stay (LOS)
≥1 days	26	5.4	0	0.0	<0.0001†
≥2 days	21	4.3	0	0.0	<0.0001†
Hospital LOS
≥1 days	59	12.4	17	4.9	0.0002	1.22	1.09–1.36
≥2 days	49	10.3	9	2.6	<0.0001	1.27	1.14–1.41
Injury Severity Score
≥15	13	2.7	0	0.0	< 0.0001†
Disposition
Home	460	97.0	350	100.0	0.0012	0.68	0.64–0.71
Rehabilitation	8	1.7	0	0.0
Long term acute care	1	0.2	0	0.0
Outcome
Alive	471	99.4	350	100.0	0.1362
Dead	3	0.6	0	0

*Risk of the injury for longboarder compared with skateboarder patients, adjusted for age and sex.

^†Based on Fisher's Exact Test.

^‡Cervical spine (1), thoracic spine (3), and sacrum/coccyx (2).