DSM-III personality disorders and the outcome of treated panic disorder.

Fifty-two patients with panic disorder who had been receiving active benzodiazepine treatment for 8 weeks were assessed by using the outcome measures of spontaneous and situational panic attacks, scores on the Hamilton scales for anxiety and for depression, and scores on self-rated disability scales. Although spontaneous panic attacks were not affected by the presence of any personality disorder, the remaining outcome measures showed a strong and negative association with DSM-III antisocial, borderline, histrionic, and narcissistic personality disorders. There was also a mild negative association with avoidant personality disorder. A subgroup of patients with both major depression and panic disorder appeared more strongly affected.