Probiotics v placebo to prevent antibiotic-associated diarrhoea*
| Weighted event rates | ||||
|---|---|---|---|---|
| Outcome | Probiotics | Placebo | RBI (95% CI) | NNT (CI) |
| *Abbreviations defined in glossary; RBI, NNT, and CI calculated from data provided by author using a fixed-effects model. | ||||
| Proportion of patients without diarrhoea | 90% | 78% | 15% (9 to 20) | 9 (7 to 13) |