What is the mortality rate due to coronary artery bypass surgery?

Around 1%: Most patients simple bypass surgery has a 1% mort and morbidity.If pts are older the lv fxn is poor or the pt needs valve surgery the risk goes up.Smokers previous strokes and poor health adds to the post op complications.Diabetics are especially prone to post op infections.The sverely under weight and overweight pts have difficult post op courses.

Depends comorbidity: The society of thoracic surgeons risk calculator determines what was the actual mortality and morbidity on cardiac surgery patients depending on age, weight, renal function, number of vessels involved, left main disease, valvular disease, pulmonary function, cardiac function, existing comorbidities, diabetes, emergency, recent myocardial infarct, salvage, first, second third or more reoperation.