“…Advanced patient age has been repeatedly reported as an independent predictor of AF after CABG ( 1 , 2 , 17 , 18 ). Previously, many studies of postoperative AF have been done and described that predictors of postoperative AF were older age, previous history of AF, male gender, decreased left ventricular ejection fraction, valvular heart surgery, left atrial enlargement, chronic obstructive pulmonary disease, chronic renal failure, and diabetes mellitus ( 1 , 3 , 14 , 16 ).…”