Dexamethasone (DM)
v
placebo for mild croup in children*
Outcome at 7 days
DM
Placebo
RRR (95% CI)
NNT (CI)
*Abbreviations defined in glossary; RRR, NNT, and CI calculated from data in article.
Return to medical care
7.3%
15%
52% (25 to 69)
13 (8 to 31)