Oseltamivir v placebo for prevention of laboratory confirmed influenza in household contacts of people with influenza‡
| Outcomes during 7 day dosing | Oseltamivir | Placebo | RRR (95% CI) | NNT (CI) |
|---|---|---|---|---|
| ‡Abbreviations defined in glossary; NNTs and CIs calculated from data in article. | ||||
| All index cases (n=377) | ||||
| Individuals with influenza | 0.8% | 7.4% | 89% (71 to 96) | Not applicable |
| Households with influenza | 2.1% | 14.6% | 86% (60 to 95) | 8 (6 to 14) |
| Index cases with confirmed influenza (n=163) | ||||
| Individuals with influenza | 1.4% | 12.6% | 89% (67 to 97) | Not applicable |
| Households with influenza | 3.6% | 22.8% | 84% (49 to 95) | 6 (4 to 11) |