title: Invited commentary.
authors.affiliation: Division of Cardiothoracic Surgery, Oregon Health and Science University, Portland, OR 97239-3098, USA. welkek@ohsu.edu
authors.forename: Karl F
authors.initials: KF
authors.lastname: Welke
mesh_terms: D047549:Coronary Artery Bypass, Off-Pump / Q000401:mortality* / Q000592:standards / Q000706:statistics & numerical data*; D006305:Health Status Indicators; D006787:Hospitals, Veterans / Q000706:statistics & numerical data*; D006801:Humans; D011183:Postoperative Complications; D011787:Quality of Health Care; D015203:Reproducibility of Results; D018570:Risk Assessment; D016896:Treatment Outcome