DSM-III-R personality disorders in panic and obsessive-compulsive disorder: a comparison study.

Forty-eight patients with panic disorder/agoraphobia (PAD) and 30 with obsessive-compulsive disorder (OCD) were assessed for DSM-III-R axis II personality disorders (PD) and the presence of the same anxiety disorder in the relatives of probands (homotypic disorders). No specific personality disorder was present significantly more often in either of the two groups. Agoraphobia was not associated with higher rates of axis II disorders in PAD patients. Duration of illness did not influence the presence of a PD in patients of both groups. Secondary cases of the same anxiety disorder were significantly more common among first-degree relatives of PAD patients. A discriminant analysis performed on the most frequent personality traits of both groups provided a correct classification of cases of 97.4%. Our results do not support the hypothesis of PD as secondary to anxiety disorders and confirm previous findings of a lack of specificity between DSM-III-R axis II categories and OCD and PAD.