Zinc or vitamin A v placebo for incidence of diarrhoea in young childrenâ€
| Outcomes at 6 months | Comparison | Rate ratio (95% CI) | NNT |
|---|---|---|---|
| Diarrhoea (all types) | Zinc v placebo | 0.89 (0.79 to 0.99) | 2 |
| Vitamin A v placebo | 0.84 (0.74 to 0.94) | 2 |
| NNH | |||
|---|---|---|---|
| †Abbreviations defined in glossary; NNT and NNH calculated from data in article. | |||
| Acute lower respiratory infection | Zinc v placebo | 1.62 (1.16 to 2.25) | 6 |
| Vitamin A v placebo | 1.06 (0.74 to 1.53) | Not significant | |