Combined antidepressant and benzodiazepine treatment v antidepressants alone for major depression*

Weighted event rates
OutcomesCombinedAntidepressant aloneRRR (95% CI)NNT (CI)
Dropped out22%33%37% (19 to 51)10 (6 to 22)
Dropped out because of side effects 7%14%48% (14 to 68)15 (10 to 40)
RBI (CI)NNT (CI)
*Abbreviations defined in glossary; RRR, RBI, NNT, and CI calculated from data in article.
>50% reduction in depression at 4 weeks52%37%38% (15 to 66)7 (5 to 15)