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Table 1 Baseline

From: Preoperative determinants of quality of life a year after coronary artery bypass grafting: a historical cohort study

  N = 658
Age (years) 65.5 ± 9.0
Male gender 542 (82.4%)
Current smoking 191 (29.0%)
Body mass index (kg/m2) 26.8 (24.6–29.8)
Hypertension 338 (51.4%)
Myocardial infarction 75 (11.4%)
Stroke 54 (8.2%)
Pulmonary disease 50 (7.6%)
Atrial fibrillation 26 (4.0%)
Peripheral vascular disease 68 (10.3%)
Unstable angina 65 (9.9%)
Diabetes mellitus 133 (20.2%)
Left ventricular ejection fraction
 Good (≥50%) 546 (83.0%)
 Moderate (30–50%) 94 (14.3%)
 Poor (< 30%) 18 (2.7%)
Additive EuroSCORE 3 (1–4)
Preoperative hemoglobine (mmol/l) 8.8 (8.2–9.3)
Preoperative creatinine (μmol/) 82 (73–95)
Health related quality of life
 Preoperative physical HRQL 39.2 ± 5.4
39.0 (36.0–42.6)
 Preoperative mental HRQL 48.9 ± 13.1
50.3 (40.2–59.0)
Surgical characteristics
 Duration of surgery (min) 189 (163–226)
 Extra corporeal circulation time(min) 83 (68–101)
 Mini extra corporeal circulation 485 (73.7%)
 Use of internal mammary artery 626 (95.1%)
 Packed red blood cell transfusiona 54 (8.2%)
 Blood loss (ml)b 660 (519–850)
  1. Data are presented as mean (±standard deviation), medians (interquartile range) or frequencies (%)
  2. HRQL health related quality of life
  3. aIntraoperative packed red blood cell transfusion
  4. bBlood loss at 24 h after surgery