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Table 3 Impact of patients' preoperative characteristics on the development of post-CABG atrial fibrillation

From: Prognostic factors of atrial fibrillation following elective coronary artery bypass grafting: the impact of quantified intraoperative myocardial ischemia

Characteristic Group A (AF) Group B (no AF) Significance (p)
  157 patients 191 patients  
Gender (male vs female)    p = 0.359
Male 137 160  
Female 20 31  
Age    
41-55 33 50 NS
56-65 56 80 NS
> 65 68 61 p = 0.029
Diabetes 25 24 NS
History AF 29 19 p = 0.022
History MI    
Anterior MI 41 48 NS
Posterior MI 18 24  
COPD 28 16 p = 0.008
OPA 19 29 NS
Unstable angina 12 18 NS
Obesity (BMI > 30) 24 19 NS
Hypertension 72 79 NS
Diseased vessels    
CAD-1 8 11 NS
CAD-2 26 30  
CAD-3 123 147  
LMCAD 16 18  
E.F    
0.30-0.40 32 21 p = 0.015
0.40-0.55 25 39 NS
> 0.55 100 131 NS
Mild MR 12 10 NS
L.A dilation (> 40 mm) 11 15  
Proximal stenosis    
Proximal LAD 43 38 NS
Proximal LCx 55 59 NS
Proximal RCA 42 32 p = 0.023
Dyslipidemia 85 104 NS
Medical therapy    
Nitrates 137 159 NS
Β-Blockers 115 143  
Ca++- blockers 68 75  
Anti-platelets 131 153  
  1. AF: atrial fibrillation, MI: myocardial infarction, COPD: chronic obstructive pulmonary disease, OPA: obstructive peripheral arteriopathy, BMI: body mass index, CAD: coronary artery disease, E.F: ejection fraction, MR: mitral regurgitation, L.A: left atrium, LAD: left anterior descending artery, LCx: circumflex artery, RCA: right coronary artery. NS: not statistically significant (p > 0.05)