Inhaled budesonide v placebo for acute asthma at 21 days after discharge from the emergency departmentâ€
| Outcome | Budesonide | Placebo | RRR (95% CI) | NNT (CI) |
|---|---|---|---|---|
| †Abbreviations defined in glossary; RRR, NNT, and CI calculated from data in article. | ||||
| Relapse | 13% | 25% | 48% (3 to 72) | 9 (5 to 179) |