Chronicity in Posttraumatic Stress Disorder (PTSD) and Predictors of Course of PTSD in Patients with Anxiety Disorders

The purpose of this study was to examine the course of comorbid posttraumatic stress disorder (PTSD) in 54 patients with another anxiety disorder. Using a prospective longitudinal design, the present study found that during the first 5 years of follow-up the probability of full remission from a chronic episode of PTSD was .18. Findings from this and other research confirm clinical impressions that a substantial number of people never fully remit from their PTSD even after many years. Variables associated with a longer time to remit from an episode of chronic PTSD were a history of alcohol abuse and a history of childhood trauma.