Table 1.

Summary of Injury Mechanisms in mTBI and Orthopedic Control Groups

Injury mechanism	mTBI group (%)	Orthopedic control group (%)
Motor vehicle accident	39.5	11.4
Assault	18.3	1.2
Blow to head	11.3	0
Lacerations	0	44.7
Fall	18.4	20.9
Auto-pedestrian collision	8.3	0
Other	4.2	21.8

mTBI, mild traumatic brain injury.