Considering trauma exposure in the context of genetics studies of posttraumatic stress disorder: a systematic review.

Biol Mood Anxiety Disord · 2013 · PMC3598333 · PMID 23282179

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did not reach statistical significanceno p-value reported

In the first study, the authors showed a significant association of the homozygote genotype for the 9 repeats allele (9/9) with PTSD, while in the second study a simple allelic association of the 9 repeats allele was tested and did not reach statistical significance.

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