Treatment failure of oral dexamethasone (OD) v nebulised dexamethasone (ND) or placebo in children with mild croup at 7 days‡
| OD | ND | Placebo | RRR (95% CI) | NNT |
|---|---|---|---|---|
| 4% | — | 14% | 71% (6 to 91) | 11 (5 to 155) |
| 4% | 16% | — | 74% (17 to 92) | 9 (5 to 49) |
| RRI (CI) | NNH | |||
|---|---|---|---|---|
| ‡Abbreviations defined in glossary; RRR, RRI, NNT, NNH, and CI calculated from data in article. | ||||
| — | 16% | 14% | 11% (–48 to 137) | Not significant |