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Table 2 Transfusion risk and regression logistic analysis of perioperative variables associated with blood transfusion.

From: Predictors of packed red cell transfusion after isolated primary coronary artery bypass grafting – The experience of a single cardiac center: A prospective observational study

Variable Transfusion vs. No Transfusion Transfusion Risk Univariate Analysis Multivariate Analysis
  t-test X2 OR CI (95%) Numerical Categorical  
Gender - 0.1002 - - - 0.014  
Age 0.0028 0.0405 2.962 1.017 – 8.625 0.0050 0.0335  
B.M.I. 0.0155 0.0011 5.813 1.852 – 18.244 0.0212 0.0026  
B.S.A. 0.0249 0.0152 2.815 1.204 – 6.582 0.0288 0.0169  
Hemoglobin 0.0055 0.0457 2.519 1.003 – 6.325 0.0077 0.0493  
Euro SCORE (standard) 0.0052 0.0149 2.858 1.210 – 6.747 0.0082 0.0166  
Euro SCORE (logistic) 0.0200 0.0571 2.408 1.022 – 5.670 0.0284 0.0444  
No. of Distal anastomoses 0.0390 - - - 0.0431 -  
Radial artery use - 0.0121 2.944 1.247 – 6.951 - 0.0137  
Postoperative bleeding 0.0043 0.0012 8.696 1.922 – 39.335 0.0086 0.0050  
Use of CPB - 0.0003 5.271 2.028 – 13.704 - 0.0007 0.0001
Hematocrit 0.0062 0.0090 3.476 1.447 – 8.350 0.0013 0.0039 0.0021
Weight 0.0032 0.0003 4.991 1.980 – 12.579 0.0093 0.0007 0.0105
S. creatinine 0.9780 0.0005 4.602 1.460 – 14.506 0.9778 0.0092 0.0142
  1. B.M.I: Body Mass index.
  2. B.S.A: Body surface area.
  3. CPB: Cardiopulmonary Bypass.