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Table 3 The age or the number of transfused RBCs and the postoperative clinical outcomes

From: Association between red blood cell storage duration and clinical outcome in patients undergoing off-pump coronary artery bypass surgery: a retrospective study

  

Univariate analysis

Multivariable analysis

 

N (%)

OR

95% CI

P value

OR

95% CI

P value

Number of transfused RBCs

       

 In-hospital all-cause mortality

17 (1.6)

1.1

1.07-1.14

<0.001

1.1

1.06-1.14

<0.001

 In-hospital MACCEs

74 (6.9)

1.06

1.04-1.09

<0.001

1.05

1.03-1.08

<0.001

 New renal failure

54 (5.0)

1.05

1.03-1.07

<0.001

1.03

1.00-1.05

0.04

 Respiratory complication

33 (3.1)

1.05

1.03-1.07

<0.001

1.04

1.01-1.06

0.005

 Postoperative wound complication

49 (4.6)

1.04

1.02-1.06

<0.001

1.03

1.01-1.06

0.001

 Atrial fibrillation

290 (29.1)

1.04

1.02-1.06

<0.001

1.02

1.00-1.04

0.038

 Arrhythmia other than atrial fibrillation

112 (10.4)

1.05

1.03-1.07

<0.001

1.03

1.02-1.05

<0.001

 Bleeding-related reoperation

29 (2.7)

1.09

1.06-1.12

<0.001

1.08

1.05-1.12

<0.001

Oldest age of transfused RBCs

       

 In-hospital all-cause mortality

 

1.1

1.02-1.19

0.015

1.01

0.91-1.12

0.896

 In-hospital MACCEs

 

1.01

0.97-1.05

0.63

0.97

0.93-1.02

0.198

 New renal failure

 

1.08

1.03-1.13

0.001

1.03

0.98-1.09

0.251

 Respiratory complication

 

1.07

1.01-1.13

0.02

1.01

0.95-1.08

0.726

 Postoperative wound complication

 

1.1

1.05-1.15

<0.001

1.09

1.04-1.14

0.001

 Atrial fibrillation

 

1.03

1.00-1.05

0.022

1.01

0.99-1.04

0.339

 Arrhythmia other than atrial fibrillation

 

1.04

1.00-1.07

0.037

1.02

0.98-1.05

0.348

 Bleeding-related reoperation

 

1.08

1.02-1.15

0.007

1.02

0.95-1.10

0.531

Mean age of transfused RBCs

       

 In-hospital all-cause mortality

 

0.93

0.84-1.04

0.23

0.95

0.82-1.09

0.446

 In-hospital MACCEs

 

0.95

0.90-1.00

0.053

0.95

0.90-1.01

0.1

 New renal failure

 

0.99

0.93-1.05

0.684

1.01

0.94-1.08

0.857

 Respiratory complication

 

0.99

0.92-1.06

0.731

0.98

0.90-1.06

0.629

 Postoperative wound complication

 

1.04

0.98-1.10

0.201

1.05

0.99-1.12

0.106

 Atrial fibrillation

 

1

0.97-1.03

0.969

1

0.97-1.04

0.783

 Arrhythmia other than atrial fibrillation

 

0.99

0.95-1.03

0.614

1

0.96-1.05

0.869

 Bleeding-related reoperation

 

1.04

0.96-1.12

0.332

1.08

0.99-1.18

0.094

Any RBCs unit >14 days

       

 In-hospital all-cause mortality

 

1.83

0.64-4.84

0.225

0.7

0.20-2.45

0.278

 In-hospital MACCEs

 

1.02

0.64-1.64

0.933

0.74

0.44-1.24

0.256

 New renal failure

 

1.5

0.87-2.60

0.148

1.05

0.57-1.97

0.869

 Respiratory complication

 

1.54

0.77-3.09

0.224

1.06

0.50-2.27

0.878

 Postoperative wound complication

 

1.96

1.10-3.50

0.023

1.71

0.93-3.12

0.083

 Atrial fibrillation

 

1.2

0.92-1.58

0.18

1.06

0.80-1.41

0.675

 Arrhythmia other than atrial fibrillation

 

1.41

0.95-2.09

0.085

1.19

0.79-1.80

0.407

 Bleeding-related reoperation

 

2.24

1.05-4.75

0.036

1.21

0.50-2.93

0.669

  1. RBC, red blood cell; MACCE, major adverse cardiovascular and cerebral event.
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