Acute coronary syndrome patients’ baseline demographics, clinical characteristics and outcomes according to their history of prior coronary artery bypass surgery.

Data are expressed in numbers (%) of patients unless otherwise indicated.*Systolic blood pressure >140 mm Hg, diastolic blood pressure >90 mm Hg, or current antihypertensive treatment.†Patient had been informed of the diagnosis by a physician before admission and for type 1 or 2 diabetes.††Total cholesterol >5.2 mmol/L or current use of lipid-lowering agent.‡Of patients eligible for thrombolysis (ST-elevation myocardial infarction (previously known Q wave MI) or new or presumed left bundle branch block).CABG = coronary artery bypass graft; CCU = coronary care unit; MI = myocardial infarction; STEMI = ST elevation myocardial infarction; NSTEMI = non ST elevation myocardial infarction.