Controlled and extended release metoprolol (Met) v placebo for symptomatic chronic heart failure (HF)‡
| Outcomes at mean 1 year | Met | Placebo | RRR (95% CI) | NNT (CI) |
|---|---|---|---|---|
| ‡Abbreviations defined in glossary; RRR, NNT, and CI calculated from data in article. | ||||
| All cause death or hospital admission | 32% | 38% | 16% (9 to 23) | 17 (12 to 32) |
| Admission to hospital for worsening HF | 10% | 15% | 32% (19 to 42) | 22 (15 to 39) |