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. Author manuscript; available in PMC: 2016 Nov 1.
Published in final edited form as: J Psychiatr Res. 2015 Aug 29;70:58–66. doi: 10.1016/j.jpsychires.2015.08.015

Table 2.

Pearson correlations between regional gray matter volume and demographic/clinical characteristics in combat veterans

Brain Region Age Education Combat Exposure CAPS (reexperiencing) CAPS (avoidance) CAPS (hyperarousal) CAPS (total score)
left
piriform cortex −0.238 0.018 −0.196 −0.241 −0.166 −0.397** −0.282
lateral amygdala −0.123 0.040 −0.213 −0.107 −0.089 −0.312* −0.178
hippocampus (head) −0.072 0.032 −0.199 0.066 −0.076 −0.182 −0.074
anterior insula −0.408** 0.027 0.157 −0.248 −0.198 −0.411** −0.302*
orbitofrontal cortex −0.270 0.016 −0.042 −0.027 −0.120 0.065 −0.039
right
piriform cortex −0.318* −0.152 −0.189 −0.021 0.046 −0.105 −0.022
lateral amygdala −0.132 −0.012 −0.251 0.103 0.052 −0.102 0.021
hippocampus (head) −0.102 0.137 −0.238 0.134 0.062 −0.102 0.034
anterior insula −0.387** 0.166 0.074 −0.261 −0.163 −0.365* −0.276
orbitofrontal cortex −0.157 0.143 −0.122 −0.428** −0.502** −0.368* −0.476**

Combat veterans (n=45) are collapsed across PTSD diagnosis.

*

p<.05

**

p<.01