Predictors of response to group cognitive-behavioral therapy in the treatment of obsessive-compulsive disorder.

PURPOSE: To identify the presence of factors associated with treatment outcome in patients under group cognitive-behavioral therapy (GCBT) for obsessive-compulsive disorder (OCD). SUBJECTS AND METHODS: This study evaluated 181 patients with OCD that attended a 12-session weekly GCBT program. Response criteria were: >/=35% reduction in Y-BOCS scores and global improvement score of the Clinical Global Impression (CGI)