Table 5 Effects of various variables on the transfusion requirement of packed red blood cell based on univariate and multivariate logistic regression analyses

Age

3.1

1.11-4.34

0.034

2.3

1.67-3.53

0.065

Female

1.12

0.92-1.85

0.004

3.91

2.99-3.81

0.023

Diabetes

1.23

0.95-2.88

0.844

EF

0.86

0.59-1.96

0.101

CPB time

2.33

1.99-3.10

0.006

1.7

1.1-2.91

0.001

X-clamp time > 60 min

2.16

1.91-2.55

0.003

4.45

3.94-4.98

0.001

COPD

4.61

1.13-7.29

0.673

LITA

2.34

0.25-4.81

0.123

Radial artery

2.45

1.31-4.02

0.678

BSA < 1.60 m²

3.71

3.34-4.95

0.001

3.83

3.67-5.13

<0.001

Crystalloid cardioplegia

1.25

0.91-1.62

<0.001

0.78

0.18-1.2

<0.001