Risk factors for mediastinitis after cardiac surgery - a retrospective analysis of 1700 patients.

Multivariate analysis identified three of the 49 variables as highly significant independent predictors for the development of mediastinitis: obesity (OR 1.03, 95% CI [1.01; 1.04] p = 0.001), chronic obstructive pulmonary disease (OR 3.30, 95% CI [1.58; 6.88], p = 0.001), and bilateral grafting of the internal mammary artery (OR 3.18, 95% CI [1.20; 8.43] p = 0.02).

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Multivariate logistic regression model The significant variables except FFP transfusion and some almost significant variables (p < 0.1) from the univariate analysis (peripheral arterial disease, preoperative hemoglobin level, duration of operation, duration of bypass, postoperative intraaortic balloon counterpulsation) were included in the multivariate logistic regression analysis.

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