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Massion AO, Dyck IR, Shea MT, Phillips KA, Warshaw MG, Keller MB. Personality Disorders and Time to Remission in Generalized Anxiety Disorder, Social Phobia, and Panic Disorder. Arch Gen Psychiatry. 2002;59(5):434–440. doi:10.1001/archpsyc.59.5.434
This investigation assessed the effect of personality disorders (PersDs) on time to remission in patients with generalized anxiety disorder, social phobia, or panic disorder.
Selected Axis I and II predictors of time to remission during 5 years of follow-up were assessed in 514 patients with 1 or more of these anxiety disorders who participated in the Harvard/Brown Anxiety Research Program, a multisite, prospective, longitudinal, naturalistic study.
The presence of a PersD predicted a 30% lower likelihood of generalized anxiety disorder remission, a 39% lower likelihood of social phobia remission, and no difference in likelihood of panic disorder remission. More specifically, a lower likelihood of remission from generalized anxiety disorder was predicted by the presence of avoidant PersD (34% lower) and dependent PersD (14% lower). The presence of avoidant PersD predicted a 41% lower likelihood of social phobia remission. The presence of major depressive disorder did not account for these findings.
Our findings provide new data on the pernicious effect of PersDs on the course of generalized anxiety disorder and social phobia but not panic disorder, suggesting that PersDs have a differential effect on the outcome of anxiety disorders.
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