Sertraline v placebo in obsessive compulsive disorder after a sustained response to 52 weeks of sertraline treatment‡

Outcomes at 28 weeksSertralinePlaceboRRR (95% CI)NNT (CI)
†Abbreviations defined in glossary; RRR, NNT, and CI calculated from data in article.
Dropout because of relapse or insufficient response 9%24%61% (25 to 80)7 (5 to 21)
Acute exacerbations12%35%66% (41 to 81)5 (3 to 9)