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Table 1 Baseline and operative characteristics and outcomes of all patients. Data are expressed as n (%) for categorical variables, mean ± standard deviations, or median (range) for continuous variables

From: Coronary artery bypass surgery in type 2 diabetic patients: predictors of mortality and morbidity

Variable 
Age > 70 years86 (16.3%)
Female, n (%)105 (19.9%)
Cardiovascular risk factor
 Hypertension, n (%)267 (50.5%)
 Hyperlipidemia, n (%)206 (38.9%)
 Smoking, n (%)288 (54.4%)
Comorbidities
 Renal failure (severe or more), n (%)31 (5.9%)
 Stroke, n (%)15 (2.8%)
 Chronic obstructive pulmonary disease, n (%)94 (17.8%)
 Anemia, n (%)117 (22.1%)
 Polyvascular atherosclerotic disease, n (%)97 (18.3%)
 Acute myocardial infarction < 3 months, n (%)193 (36.5%)
Echocardiographical and coronary angiogram finding
 Left ventricular ejection fraction < 40%, n (%)66 (12.5%)
 Pulmonary hypertension, n (%)183 (34.6%)
 Tri-vessels disease, n (%)382 (72.2%)
 Left main coronary artery stenosis, n (%)138 (26.1%)
Operative parameters
 Urgency-emergency, n (%)66 (12.5%)
 Distal anastomosis per patient2.3 ± 0.8
 Bilateral internal thoracic artery use, n (%)88 (16.6%)
 “Y” anastomosis, n (%)43 (8.1%)
 Associated procedures, n (%)53 (10%)
Postoperative course
 In-hospital deaths, n (%)31 (5.9%)
 Ventilator support, (hours)7 (2–1560)
 Intensive care unit stay, (hours)44 (18–1560)
 Hospital stay (days)13 (2–106)
 Cardiac complications, n (%)117 (22.1%)
 Infective complications, n (%)142 (26.8%)
 Respiratory complications, n (%)92 (17.4%)
 Renal failure, n (%)68 (12.9%)
 Cerebro-vascular accident, n (%)11 (2.1%)