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Table 3 Multivariable logistic regression analysis to estimate the independent association between blood transfusion volume and the risk of postoperative AKI

From: Intraoperative blood transfusion volume is an independent risk factor for postoperative acute kidney injury in type A acute aortic dissection

Variable Model 1 P value Model 2 P value Model 3 P value
Blood transfusion volume ≤ 4000 ml
 Increase per 200 ml 1.29 (1.08, 1.53) 0.004 1.30 (1.07, 1.57) 0.008 1.31 (1.01, 1.71) 0.044
Blood transfusion volume > 4000 ml
 Increase per 200 ml 1.02 (0.96, 1.07) 0.57 1.01 (0.96, 1.07) 0.70 1.02 (0.96, 1.08) 0.61
  1. Model 1: Crude model
  2. Model 2: Adjusted for age, gender, hypertension, and diabetes mellitus
  3. Model 3: Additional adjust for eGFR, emergency operation, CPB time, aortic cross clamp time, nasopharyngeal temperature, total arch replacement, semi-arch replacement, stented elephant trunk, Bentall procedure, ascending aorta replacement, intraoperative erythrocytes use, intraoperative platelets use and redo surgery