Table 2: Descriptive statistics for cortical thickness in its different categories.

Cortical Thickness(mm)	N	Mean (mm)	Std. Deviation	Minimum (mm)	Maximum (mm)
0-0.5	24	.400000	.0884652	.2000	.5000
0.6-1	24	.729167	.1122078	.6000	.9000
1.1-1.5	24	1.295833	.1781039	1.1000	1.5000
Total	72	.808333	.3945937	.2000	1.5000