Table 1. Demographics and Clinical Characteristics of Mild TBI Patients and Healthy Controls.

	Mild TBI (n=20)	Controls (n=20)	p value
Age (yr)	50.95±14.8 (24–88)	45.35±5.58 (36–58)	0.128
Female, n (%)	5 (25)	4 (20)	1.000
Mechanism of injury, n (%)
Vehicle accidents	15 (75)
Multistory falls	2 (10)
Physical assaults	3 (15)
Type of injury, n
Epidural hematoma	2
Subdural hematoma	5
Intracerebral hematoma	2
Contusion/laceration	14
Traumatic subarachnoid hemorrhage	8
Skull fracture	6
Premedical history, n (%)
Hypertension	2 (10)	2 (10)	1.000
Diabetes mellitus	1 (5)	1 (5)	1.000
Smoking habits	4 (20)	3 (15)	0.677
Alcohol consumption	4 (20)	2 (10)	0.376
Medication, n (%)
Calcium channel blockers	2 (10)	2 (10)	1.000
Insulin	0 (0)	1 (5)	0.311

TBI, traumatic brain injury.