title: Invited commentary.
authors.affiliation: Department of Cardiothoracic Surgery, Stanford University, 300 Pasteur Dr, Falk Building, CVRB MC: 5407, Stanford, CA 94305, USA. mallidi@stanford.edu
authors.forename: Hari R
authors.initials: HR
authors.lastname: Mallidi
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D001026:Coronary Artery Bypass / Q000191:economics*; D017046:Cost Savings; D003365:Costs and Cost Analysis; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D007902:Length of Stay / Q000191:economics / Q000706:statistics & numerical data; D008297:Male; D006278:Medicare / Q000191:economics*; D008875:Middle Aged; D011183:Postoperative Complications / Q000191:economics* / Q000453:epidemiology* / Q000517:prevention & control; D040841:Resource Allocation / Q000191:economics / Q000706:statistics & numerical data; D012189:Retrospective Studies; D020379:Risk Adjustment; D014481:United States