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Table 3 Multivariable analysis of predictors of postoperative acute kidney insufficiency (AKI) in isolated coronary artery bypass grafting

From: Predictors of acute kidney insufficiency post isolated coronary artery bypass grafting surgery

Variables Adjusted OR (95%CI) p value
Age, years
 ≤ 65 Reference value  
 65–80 1.4 (0.7–3.1) 0.39
 > 80 4.27 (1.6–11.8) 0.005
Smoking 0.64 (0.3–1.2) 0.17
Diabetes mellitus 1.96 (1.1–3.7) 0.04
Cerebrovascular disease 0.94 (0.4–2.4) 0.94
Peripheral vascular disease 2.55 (1.2–5.6) 0.02
Acute myocardial infarction < 30 days 1.48 (0.7–2.9) 0.27
History of congestive heart failure 0.80 (0.4–1.9) 0.64
NYHA III & IV 1.90 (1.3–2.9) 0.002
Cardiogenic shock 0.34 (0.3–2.9) 0.16
Urgency
 Elective Reference value  
 Urgent 0.56 (0.3–1.2) 0.12
 Emergency 0.70 (0.2–2.4) 0.56
Use intra-aortic balloon pump 0.98 (0.3–2.9) 0.97
Surgical re-exploration 2.49 (1.1–5.8) 0.04
Postoperative atrial fibrillation 1.54 (0.8–2.9) 0.19
Postoperative low cardiac output syndrome 2.85 (1.5–5.5) < 0.0001
Blood product transfusion
 Red blood cells 4.93 (2.3–10.8) < 0.0001
 Other blood products 0.65 (0.1–1.3) 0.24
  1. CI confidence interval, OR odds ratio, NYHA New York Heart Association