Table 2.

Cortical thickness in recent onset PTSD, non-PTSD and normal control.

Cortical area		Mean (SD) in mm			PTSD vs. non-PTSD		PTSD vs. Healthy
	Side	PTSD (n = 15)	Non-PTSD (n = 10)	Healthy (n = 25)	T value	P value	T value	P value
Cortical thickness decreasing (PTSD < control)
Superior frontal gyrus	Left	2.389 (0.128)	2.422 (0.125)	2.609 (0.251)	− 3.615	0.022	− 4.835	0.008
	Right	2.411 (0.247)	2.477 (0.148)	2.543 (0.268)	− 2.669	0.036	− 4.203	0.013
Rostral middle frontal gyrus	Left	2.147 (0.220)	2.157 (0.196)	2.252 (0.181)	− 1.644	NS	− 1.863	NS
	Right	2.199 (0.217)	2.228 (0.234)	2.331 (0.195)	− 2.293	0.042	− 3.301	0.032
Hippocampal gyrus	Left	2.291 (0.208)	2.457 (0.215)	2.549 (0.169)	− 3.202	0.028	− 4.141	0.014
	Right	2.361 (0.141)	2.523 (0.224)	2.610 (0.145)	− 3.914	0.019	− 4.635	0.009
Inferior parietal lobes	Left	2.678 (0.175)	2.826 (0.186)	2.922 (0.201)	− 2.845	0.033	− 4.843	0.007
	Right	2.692 (0.177)	2.728 (0.182)	2.812 (0.159)	− 2.323	0.041	− 2.684	0.035
Superior parietal lobes	Left	2.254 (0.144)	2.318 (0.145)	2.368 (0.137)	− 1.093	NS	− 2.963	0.033
	Right	2.322 (0.109)	2.421 (0.157)	2.468 (0.127)	− 1.527	NS	− 3.307	0.032
Lateral occipital gyrus	Left	2.815 (0.284)	2.874 (0.267)	2.941 (0.297)	− 1.368	NS	− 1.788	NS
	Right	2.554 (0.285)	2.649 (0.253)	2.757 (0.313)	− 3.048	0.032	− 2.534	0.040
Anterior cingulate cortex (ACC)	Left	2.721 (0.224)	2.961 (0.219)	3.080 (0.344)	− 3.755	0.028	− 3.409	0.029
	Right	2.628 (0.335)	2.882 (0.224)	2.972 (0.348)	− 3.643	0.021	− 4.083	0.017
Posterior cingulate cortex (PCC)	Left	2.601 (0.113)	2.756 (0.141)	2.771 (0.189)	− 3.286	0.029	− 3.309	0.031
	Right	2.607 (0.157)	2.715 (0.115)	2.799 (0.168)	− 3.048	0.032	− 3.443	0.025
Cortical thickness thickening (PTSD > control)
Calcarine gyrus	Left	2.536 (0.301)	2.517 (0.388)	2.461 (0.253)	2.058	0.047	4.426	0.011
	Right	2.586 (0.240)	2.563 (0.333)	2.517 (0.254)	1.579	NS	1.692	NS

PTSD, post-traumatic stress disorder; SD, standard deviation. Results significant at false discovery rate threshold 0.05; NS: not significant.