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Table 3 Characteristics of isolated CABG patients in the physical recovery group and non-recovery group

From: Determinants of non-recovery in physical health-related quality of life one year after cardiac surgery: a prospective single Centre observational study

  All (n = 555) R (n = 426) NR (n = 129) p-value
Demographics
 Baseline SF 36 physical domain score 60 [46–73] 56 [44–69] 73 [57–88] < 0.001a
 Body Mass Index (kg/m2) 27.1 [24.8–29.4] 27.0 [24.8–29.6] 27.2 [24.8–29.1] 0.728
Comorbidities
 CVA (%) 0.7 0.9 0.0 0.270
 Neurologic dysfunction (%) 1.1 1.2 0.8 0.702
Cardiac status
 Unstable AP (%) 4.9 4.5 6.2 0.421
EuroSCORE II 1.37 [0.98–2.12] 1.3 [0.9–2.0] 1.7 [1.1–2.5] 0.021a
Age (years) 68.4 [61.8–74.0] 67.9 [61.7–73.7] 69.5 [62.2–74.4] 0.204
Gender Male (%) 83.6 85.9 76.0 0.003a
Serum Creatinine (umol/l) 84 [24.8–29.4] 84 [75–95] 82 [72–95] 0.762
Extracardiac arteriopathy (%) 8.1 7.5 10.1 0.350
Poor mobility (%) 1.1 1.2 0.8 0.702
Previous cardiac surgery (%) 1.3 1.4 0.8 0.573
Chronic lung disease (%) 10.6 10.6 10.9 0.926
Active endocarditis (%) 0.0 0.0 0.0 1.000
Critical preoperative state (%) 0.5 0.2 1.6 0.074
Diabetes (%) 20.2 18.8 24.8 0.135
NYHA Class III or IV (%) 57.1 55.9 61.3 0.281
Angina CCS Class IV (%) 2.3 2.8 0.8 0.180
LVEF (%)     0.116
  Good 78.9 81.0 72.1  
  Moderate 17.5 15.7 23.3  
  Poor 2.7 2.6 3.1  
  Missing 0.9 0.7 1.6  
Recent MI (%) 29.2 26.5 38.0 0.012a
Pulmonary hypertension (%) 1.6 1.6 1.6 0.942
Urgency (%)     0.268
  Elective 39.1 40.8 33.3  
  Urgent 59.3 58.0 63.6  
  Emergency 1.6 1.2 3.1  
Weight of intervention (%)
  Isolated CABG 99.3 99.5 98.4 0.452
  Single Non CABG 0.0 0.0 0.0  
  2 Procedures 0.5 0.2 1.6  
  3 Procedures 0.2 0.2 0.0  
Surgery on thoracic aorta (%) 0.2 0.0 0.8 0.069
Intraoperative characteristics
 Aortic cross-clamp (min) 51.0 [37.0–70.0] 51 [37–70.3]] 52 [37–70.5] 0.479
 ECC (min) 80.0 [56.0–103.0] 80 [55–103] 81 [58.5–105.5] 0.343
Postoperative characteristics
 Infection (%) 5.0 3.5 10.1 0.007a
 First detubation (hour) 3.0 [2.5–4.4] 3.0 [2.5–4.3] 3.1 [2.5–4.9] 0.412
 Re-sternotomy < 30 d (%) 3.8 4.0 3.1 0.750
 ICU days (n) 1.0 [1.0–1.0] 1.0 [1.0–1.0] 1.0 [1.0–1.0] 0.666
 ICU stay extended (%) 2.9 3.1 2.3 0.666
 CVA (%) 0.2 0 0.8 0.180
 Readmission ICU (%) 0.5 0.5 1.6 0.889
 Readmission < 30 days after discharge (%) 1.1 0.5 3.1 0.042a
 MI (incl. perioperative) (%) 3.6 3.8 3.1 0.739
 MI (excl. perioperative) (%) 0.9 0.7 1.6 0.699
 PCI < 1 yr (%) 2.9 1.4 7.8 0.001a
  1. Abbreviations: R recovery group, NR non-recovery group, CVA cerebral vascular accident, AP angina pectoris, EuroSCORE European System for Cardiac Operative Risk Evaluation, NYHA New York Heart Association, CCS Class 4 Angina Inability to perform any activity without angina or angina at rest, LVEF left ventricular ejection fraction, MI Myocardial infarction, CABG coronary artery bypass grafting, ECC Extracorporeal circulation, ICU intensive care unit, PCI percutaneous coronary intervention
  2. aIndicates a significant difference across groups. Data are presented as median [interquartile range] unless stated otherwise