Antihypertensive treatment v placebo in older patients with systolic hypertension at a median follow up of 2 years†

Outcome AntihypertensivePlaceboRRR (95% CI)NNT (CI)
†Abbreviations defined in glossary; RRR, NNT, and CI calculated from data in article.
Dementia0.8%1.8%50.1% (−1.5 to 75.5)Not significant