Table 1.

Subject characteristics.

	GTCS (N = 53)		Mean ± SD	Control (N = 530)
	Mean ± SD	Range		Range	P value
Age (years)	37.1 ± 12.6	16.5–63.5	37.1 ± 12.6	18.5–63.9	<0.98
Sex	22 Male, 31 Female		220 Male, 310 Female		= 1.00
Cortical volume (cm3)
Left	219.9 ± 25.4	165.4–274.2	226.6 ± 27.7	149.3–31.4	<0.077
Right	224.0 ± 25.1	170.6–27.1	227.7 ± 27.4	152.6–31.8	<0.319
	Mean ± SE	Range	Mean ± SE	Range	P value
Thickness (mm)
Left	2.42 ± 0.017	2.13–2.72	2.45 ± 0.005	2.14–2.75	<0.071
Right	2.42 ± 0.016	2.16–2.70	2.46 ± 0.006	2.14–2.77	<0.031*

Two-sample, two-tailed t-tests assuming unequal variances. (*) indicates significant p-value.