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Table 5 Multivariate predictors of deep sternal wound infection

From: Lessons learned from the use of 1,977 in-situ bilateral internal mammary arteries: a retrospective study

Variable Odds ratio 95% CI pvalue
BIMA 3.8 2.6-5.4 <0.0001
Diabetes mellitus 2.2 1.6-2.9 <0.0001
COPD 2.2 1.6-3.1 <0.0001
Preoperative dialysis-dependent renal failure 3.1 1.3-7.9 0.01
Postoperative delirium 1.6 1.04-2.4 0.03
Postoperative renal failure* 2.2 1.5-3.2 <0.0001
Reexploration for bleeding 2.6 1.6-4.2 <0.0001
Mechanical ventilation > 48 hours 4.6 3.0-7.0 <0.0001
Body mass index 1.12 1.1-1.2 <0.0001
Left ventricular ejection fraction 0.9 0.8-0.92 <0.0001
  1. *Defined as a 50-μmol/L absolute rise in baseline serum creatinine or a new need for dialysis.
  2. Submitted to the model as continuous variables.
  3. CI confidence interval, CPB cardiopulmonary bypass.