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. 2020 Nov;12(11):6722–6730. doi: 10.21037/jtd-20-2046

Table 1. Preoperative variables.

Variables All patients (n=149)
General characteristics
   Age (years) 59.4±8.7
   Male/female 106 (71.1)/43 (28.9)
   Body surface area (m2) 1.7±0.2
Co-morbidities
   Diabetes mellitus 109 (73.2)
   Hypertension 141 (94.6)
   Hyperlipidaemia 113 (75.8)
   Peripheral vascular disease 36 (24.2)
   Smoking history 48 (32.2)
Cardiac profile
   Number of diseased coronary arteries 2.8±0.4
      1 4 (2.7)
      2 18 (12.1)
      3 127 (85.2)
   Left main coronary artery stenosis ≥50% 63 (42.3)
   Previous myocardial infarction 107 (71.8)
   Left ventricular ejection fraction (%) 43.0±12.6
   New York Heart Association Class III or IV 48 (32.2)
   EuroSCORE II 3.8±3.5
Renal profile
   Cause of end-stage renal disease
      Diabetes mellitus 106 (71.1)
      Hypertension 16 (10.7)
      Glomerulonephritis 5 (3.4)
      Polycystic kidney disease 3 (2.0)
      Systemic lupus erythematosus 3 (2.0)
      Renal cell carcinoma 1 (0.7)
      Obstructive uropathy 1 (0.7)
      Unknown 14 (9.4)
   Mode of renal replacement therapy
      Haemodialysis 135 (90.6)
      Peritoneal dialysis 14 (9.4)

Values for parametric continuous variables are expressed as mean ± standard deviation. Values for categorical variables are expressed as numbers (%).