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Table 2 Baseline demographics

From: Del Nido Cardioplegia can be safely administered in high-risk coronary artery bypass grafting surgery after acute myocardial infarction: a propensity matched comparison

  WB DN p
n 40 40  
Age (years) 66.6 ± 13.5 68.7 ± 11.7 0.472
Gender (male) (%) 21 (45.7) 25 (54.3) 0.366
BMI (kg/m2) 28.2 ± 5.9 28.1 ± 5.7 0.926
STS risk score (%) 4.6 ± 6.9 3.9 ± 4.2 0.545
Troponin I level (mean) (ng/ml) 15.6 ± 23 14.8 ± 21 0.915
NYHA class (%)    
1 5 (12.5) 6 (15) 0.921
2 22 (55) 21 (52.5)
3 12 (30) 11 (27.5)
4 1 (2.5) 2 (5)
Diabetes (%) 18 (45) 22 (55) 0.371
Insulin-dependent (%) 8 (20) 7 (17.5) 0.775
Hypertension (%) 34 (85) 34 (85) 1
Congestive heart failure (%) 5 (12.5) 10 (25) 0.152
LVEF (%) 49.4 ± 12 42.4 ± 12 0.13
Mitral regurgitation > Grade 2 (%) 10 (25) 9 (22.5) 0.925
Tricuspid regurgitation > Grade 2 (%) 3 (7.5) 4 (10) 0.283
Triple-vessel disease (%) 22 (55) 30 (75) 0.061
Quadruple-vessel disease (%) 12 (22.5) 8 (22.5)
Cardiogenic shock (%) 6 (15) 5 (12.5) 0.745
Pre-operative IABP support (%) 5 (12.5) 7 (17.5) 0.531
Previous cardiac surgery (%) 3 (7.5) 1 (2.5) 0.305
Preoperative arrhythmia (%) 10 (25) 6 (15) 0.264
Preoperative Atrial Fibrillation (%) 9 (22.5) 3 (7.5) 0.060
Preoperative stroke (%) 7 (17.5) 6 (15) 0.762
Peripheral vascular disease (%) 8 (20) 8 (20) 1
Preoperative renal failure (%) 4 (10) 6 (15) 0.499
Preoperative Dialysis (%) 1 (2.5) 0 (0) 0.314
COPD (%) 3 (7.5) 5 (12.5) 0.456
Cirrhosis (%) 1 (2.5) 1 (2.5) 1
  1. Values are means ± SD, or counts (%). BMI-body mass index, STS-Society of Thoracic Surgeons, NYHA-New York Heart Association, LVEF-left ventricular ejection fraction, COPD-chronic obstructive pulmonary disorder.