BCL11B and post-traumatic stress disorder: Similarly, cg27541344 (BCL11B) was associated with PTSD in the civilian (p = 7.21e − 08), but not the military cohorts (p = 0.38), whereas 3 out of 5 PTSD-associated CpGs in the military cohorts were not significant in the civilian cohorts (p > 0.05).