title: Intent-to-treat analysis.
authors.forename: G S
authors.initials: GS
authors.lastname: Weinstein
authors.forename: B
authors.initials: B
authors.lastname: Levin
mesh_terms: D001026:Coronary Artery Bypass / Q000706:statistics & numerical data*; D003327:Coronary Disease / Q000601:surgery*; D006801:Humans; D016032:Randomized Controlled Trials as Topic; D015983:Selection Bias