TABLE I.

Demographic Information of Normal, TBI and Stroke Subjects. P-Values Calculated With Chi-Square (Sex) or One Way ANOVA and Post-Hoc Tukey Test (Age and Medication). No Statistics Were Done on Age Range.

Training Dataset
	Normal (n=79)	TBI (n=98)	Stroke (n=115)	p value (normal vs. TBI)	p value (normal vs. stroke)	p value (TBI vs. stroke)
Sex (M/F/unknown)	29/47/3	74/20/4	62/47/6	p<0.000l	p<0.000l	p<0.000l
Age (n=unknown)	47.6±18.7 (n=2)	42.7±16.7 (n=l)	59.7±9.7 (n=l)	p=0.08	p<0.000l	p<0.000l
Age range	2.9–85	12–80	33–74
Medication	1.4±1.9	1.4±2.1	1.5±2	p=0.96	p=0.89	p=0.98
Independent Validation Dataset
	Normal (n=26)	TBI (n=44)	Stroke (n=50)	p value (normal vs. TBI)	p value (normal vs. stroke)	p value (TBI vs. stroke)
Sex (M/F/unknown)	8/18/0	34/8/2	26/23/1	p<0.001	p<0.001	p<0.001
Age (n=unknown)	53.1±18.4	41.8+16.1	59.3+12.1	p<0.01	p=0.21	p<0.000l
Age range	19–81	18–79	5–73
Medication	0.6±0.9	1.5±2	1.1±2	p=0.08	p=0.52	p=0.41