Bypass results vary by hospital.  Checking up on hospitals and surgeons before bypass surgery may pay off.
D001026:Coronary Artery Bypass / Q000401:mortality / Q000592:standards* / Q000706:statistics & numerical data; D003324:Coronary Artery Disease / Q000601:surgery*; D005260:Female; D006761:Hospitals / Q000592:standards* / Q000706:statistics & numerical data; D006801:Humans; D008297:Male; D019984:Quality Indicators, Health Care / Q000592:standards* / Q000706:statistics & numerical data; D014481:United States; D016270:United States Agency for Healthcare Research and Quality