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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.