Table 4

Influence of traumatization on cortical volumes

	Parameter statistics
	Age		Hemisphere		ICV		Group		vivo Checklist		ICV × vivo Checklist
Brain region	t₃₁	p value	t₃₆	p value	t₃₁	p value	t₃₁	p value	t₃₁	p value	t₃₁	p value
Bilateral isthmus of the cingulate^*	−2.18	0.037	1.12	0.27	4.92	< 0.001	0.64	0.53	2.38	0.024	−2.35	0.026
Bilateral lateral orbitofrontal cortex^†	−1.81	0.08	9.91	< 0.001	4.66	< 0.001	−0.78	0.44	2.67	0.012	−2.68	0.012

ICV = intracranial volume; vivo Checklist = shortened version of the vivo Checklist of war, detention and torture events.31
↵* Model equation: Isthmus of the cingulate = −2988 − 13.69 × age + 83.95 × hemisphere + 0.003 × ICV + 87.29 × group + 272.12 × vivo Checklist − 0.0001 × ICV × vivo Checklist.
↵† Model equation: Lateral orbitofrontal cortex = −4677 − 26.71 × age + 1162.27 × hemisphere + 0.007 × ICV −248.09 × group + 716.75 × vivo Checklist − 0.0001 × ICV × vivo Checklist.