Prevalence of personality disorders among combat veterans with posttraumatic stress disorder

Many combat veterans with PTSD have co-occurring symptoms of other forms of psychopathology; however; there have been limited studies examining person ality disorders among this population. The few extant studies typically hav e assessed only two or three personality disorders or examined a small samp le, resulting in an incomplete picture and scape of comorbidity. This study assessed all DSM-III-R personality disorders in 107 veterans in a speciali zed, inpatient unit. Using the Structured Clinical Interview for DSM-III-R Personality Disorders, 79.4% of the participants Mere diagnosed with at lea st one personality disorder: 29.9% received only one diagnosis, 21.5% had t wo, 15.9% had three, and 12.1% had four or more. The most frequent single d iagnoses were Avoidant (47.2%), Paranoid (46.2%), Obsessive-Compulsive (28. 3%), and Antisocial (15.1%) personality disorders.