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Table 4 Multivariate logistic regression analysis model for postoperative hypoxemia

From: Risk factors for postoperative hypoxemia in patients undergoing Stanford A aortic dissection surgery

Variables in the equation
  B S.E. Wald df Sig. Exp(B) 95.0% C.I. for EXP(B)
Lower Upper
Step 1a BMI .020 .050 .151 1 .697 1.020 .924 1.125
  Acute onset -.859 .626 1.886 1 .170 .424 .124 1.444
  Preoperative hypoxemia 2.682 .528 25.758 1 .000 14.611 5.187 41.158
  CA time .078 .023 11.286 1 .001 1.081 1.033 1.132
  transfusion≥3000 ml 2.256 .425 28.211 1 .000 9.541 4.151 21.932
  Constant −4.368 1.386 9.924 1 .002 .013   
  1. a. Variable(s) entered on step 1: BMI, acute onset of aortic dissection, preoperative hypoxemia, CA time, transfusion ≥3000 ml.
  2. BMI-body mass index.
  3. CA- circulatory arrest.