Invasive treatment v optimised medical care in chronic angina‡

Outcomes at 6 monthsInvasiveOptimisedMean difference (95% CI)
Mean change from baseline in angina class–2.0–1.6–0.4 (–0.72 to –0.08)
Mean change in number of antianginal medications–1.0–0.2–0.8 (–1.09 to –0.51)
‡Abbreviations defined in glossary; RRR, NNT, and CI calculated from data in article.
Major adverse cardiac events19%49%61% (44 to 73)4 (3 to 6)