Data collection
atrial fibrillation, chronic lung disease, coronary arterial bypass
ESSENTIAL HYPERTENSION, ATRIAL FIBRILLATION, END-STAGE RENAL DISEASE, LIVER CIRRHOSIS, CEREBRAL VASCULAR EVENTS, CORONARY ARTERY DISEASE, TYPE 2 DIABETES MELLITUS, CHRONIC LUNG DISEASE, DYSLIPIDEMIA
Preoperative factors were collected, including age, sex, recent major cardiovascular procedure (within 3 months), coronary artery disease, cerebral vascular events, chronic lung disease, essential hypertension, dyslipidemia, liver cirrhosis, atrial fibrillation, type 2 diabetes mellitus, end-stage renal disease with dialysis (both hemodialysis and peritoneal dialysis), and regular use of antiplatelet or anticoagulant agents. The major cardiovascular procedures included coronary arterial bypass, coronary arterial angioplasty/stenting, cardiac valvular surgery, aortic surgery, and peripheral arterial surgery. Preoperative blood cell counts included white cell counts, differential counts (immature band form white cell) [