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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