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Table 4 The multivariate logistic regression analysis for 30 days mortality. Variables included in the regression analysis: age, EuroSCORE II, aortic aneurysm, aortic calcification, COPD, coronary heart disease, chronic renal insufficiency, additional CABG, and cardiopulmonary bypass time

From: Effect of moderate hypothermic circulatory arrest on neurological outcomes in elderly patients undergoing replacement of the thoracic aorta

 Odds ratioCIp value
Age > 75 years2.7991.184–6.6160.019
Cardiopulmonary bypass time1.0221.013–1.032< 0.001
Cross-clamp time0.9850.972–0.9990.033
Postoperative blood transfusion4.6501.550–13.9520.006