Lansoprazole v placebo in continuous treatment with low-dose aspirin at 12 months‡
Outcome
Lansoprazole
Placebo
RRR (95% CI)
NNT (CI)
‡Abbreviations defined in glossary; RRR, NNT, and CI calculated from data in article.
Recurrence of ulcer complications
1.6%
14.8%
89% (37 to 98)
8 (5 to 24)