Responder rates for St John's wort (SJW) v control in depressive disorders†
| Weighted event rates | ||||
|---|---|---|---|---|
| Comparison at a mean follow up of 5.1 weeks | SJW | Control | RBI (95% CI) | NNT (CI) |
| SJW v placebo‡ | 56% | 25% | 140% (70 to 239) | 4 (3 to 6) |
| Weighted event rates | ||||
|---|---|---|---|---|
| Comparison at a mean follow up of 5.6 weeks | SJW | Control | RBR (CI) | NNH |
| †NS = not significant. Other abbreviations defined in glossary; RBI, RBR, NNT, NNH, and CI calculated from data in article. | ||||
| ‡Heterogeneity existed among trials. | ||||
| SJW v antidepressants | 51% | 52% | 3% (−12 to 16) | NS |