title: Invited commentary.
authors.affiliation: Medical Data Research Center, Providence Health & Services, Cardiovascular Disease Study Group, 9205 SW Barnes Rd, LL #33, Portland, OR 97225, USA. ruyun.jin@providence.org
authors.forename: Ruyun
authors.initials: R
authors.lastname: Jin
authors.forename: Gary L
authors.initials: GL
authors.lastname: Grunkemeier
mesh_terms: D001026:Coronary Artery Bypass / Q000401:mortality*; D003324:Coronary Artery Disease / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D015233:Models, Statistical; D018570:Risk Assessment / Q000379:methods*