in addition , patients who received only vein grafts had 1.41 times the risk of late myocardial infarction ( p less than 0.0001 ) , 1.25 times the risk of hospitalization for cardiac events ( p less than 0.0001 ) , 2.00 times the risk of cardiac reoperation ( p less than 0.0001 ) , and 1.27 times the risk of all late cardiac events ( p less than 0.0001 ) , as compared with patients who received internal-mammary-artery grafts .
C0027051
myocardial infarction
C0018787
cardiac