Table 3.

Cortical thickness in each group.

Variable	HC	PTSD	PTSD + M	Test statistic, p-value, effect size
Orbitofrontal/Superior temporal*, a,b				F(2,184) = 7.18, p < .001, η2 = 0.07
Left	5.32 (0.30)	5.21 (0.21)	5.08(0.28)
Right	5.31 (0.32)	5.16 (0.26)	5.05(0.30)
Inferior frontal cortex*, b,c				F(2,184) = 6.01, p < .001, η2 = 0.06
Left	4.96 (0.28)	4.89 (0.22)	4.74(0.23)
Right	4.95 (0.29)	4.88 (0.26)	4.74(0.25)
Dorsolateral prefrontal cortex *, b				F(2,184) = 4.02, p = .02, η2 = 0.04
Left	4.94 (0.25)	4.85 (0.21)	4.79(0.19)
Right	4.88 (0.28)	4.79 (0.25)	4.68(0.23)
Insula*, b				F(2,184) = 5.84, p < .001, η2 = 0.06
Left	2.94 (0.14)	2.90 (0.15)	2.85(0.14)
Right	2.90 (0.17)	2.88 (0.17)	2.81(0.14)
Rostral anterior cingulate*, b,c	2.75 (0.21)	2.74 (0.26)	2.58(0.21)	F(2,184) = 6.53, p < .001, η2 = 0.07
Left
Right	2.79 (0.18)	2.77 (0.22)	2.69(0.16)
Ventromedial prefrontal cortex*, a,b				F(2,184) = 7.76, p < .001, η2 = 0.08
Left	2.41 (0.13)	2.37 (0.12)	2.33(0.10)
Right	2.37 (0.15)	2.34 (0.12)	2.30(0.11)
Precentral gyrus				F(2,184) = 2.35, p = .10, η2 = 0.02
Left	2.52 (0.12)	2.48 (0.11)	2.45(0.13)
Right	2.50 (0.11)	2.46 (0.10)	2.41(0.14)
Postcentral gyrus				F(2,184) = 0.34, p = .71, η2 < 0.001
Left	2.06 (0.11)	2.04 (0.09)	2.03(0.09)
Right	2.04 (0.12)	2.02 (0.10)	2.01(0.11)
Cuneus*, a,b				F(2,184) = 10.6, p < .001, η2 = 0.10
Left	1.83 (0.12)	1.78 (0.13)	1.76(0.12)
Right	1.84 (0.14)	1.79 (0.11)	1.77(0.13)