|Outcomes||Number of studies (n)||Weighted event rates||RRR (95% CI)||NNT (CI)|
|*Abbreviations defined in glossary; RRR, NNT, and CI calculated from data in article.|
|†Based on a random effects model (significant heterogeneity among trials).|
|‡Based on a fixed effects model.|
|Diarrhoea for ⩾3 days†||15 (1341)||40%||62%||34% (23 to 45)||5 (4 to 8)|
|Diarrhoea for ⩾4 days†||13 (1228)||17%||45%||69% (50 to 81)||4 (3 to 6)|
|Weighted mean difference (CI)|
|Mean duration of diarrhoea (h)†||12 (970)||−30.48 (−42.46 to −18.51)|
|Mean stool frequency (day 2)‡||5 (417)||−1.51 (−1.85 to −1.17)|
|Mean stool frequency (day 3)‡||4 (447)||−1.31 (−1.56 to −1.07)|
Review: probiotics reduced diarrhoea at 3 days in children and adults with proven or presumed infectious diarrhoea
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