Amiodarone (Amio) or a conservatively programmed, shock only implantable cardioverter defibrillator (ICD) v placebo for congestive heart failure at median 46 months*
| Outcome | Amio | ICD | Placebo | RRR (95% CI) | NNT (CI) |
|---|---|---|---|---|---|
| *NS = not significant. Other abbreviations defined in glossary; RRR, NNT, and CI calculated from data in article. | |||||
| All cause mortality | 9.5% | 9.7% | 1.6% (−16 to 17) | NS | |
| 7.2% | 9.7% | 25% (10 to 38) | 41 (25 to 108) | ||