Obsessive-compulsive disorder classification

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Abhishek Reddy

Obsessive-compulsive disorder: subclassification based on co-morbidity.

The three-class solution is characterized by: (1) An OCD simplex class, in which major depressive disorder (MDD) is the most frequent additional disorder; (2) An OCD co-morbid tic-related class, in which tics are prominent and [affective syndromes] are considerably rarer; and (3) An OCD co-morbid affective-related class in which [panic disorder] and [affective syndromes] are highly represented.

The OCD co-morbid tic-related class is predominantly male and characterized by high [conscientiousness]. The OCD co-morbid affective-related class is predominantly female, has a young age at onset, obsessive-compulsive personality disorder (OCPD) features, high scores on the 'taboo' factor of OCD symptoms, and low [conscientiousness]. [1]