For 23 trials that were OCD-specific, the mean reduction in scores on the 40-point Yale-Brown Obsessive Compulsive Scale (Y-BOCS) was statistically significant (mean difference -4.17 points ...
A systematic review and meta-analysis of 34 studies indicated a significant reduction in OCD symptoms, with an average decrease of 47% in Yale-Brown Obsessive-Compulsive Scale (Y-BOCS) scores ...