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Table 1 Preoperative baseline and characteristics among the mortality and control groups

From: Risk factors for mortality in patients undergoing continuous renal replacement therapy after cardiac surgery

Variable

Control (n = 238)

Mortality (n = 174)

p value

Age (year)

57.99 ± 12.34

61.59 ± 11.77

0.003

Gender (male, %)

160, 67

110, 63

0.398

Weight (kg)

64.26 ± 12.36

63.16 ± 10.52

0.343

NYHA class (n, %)

  

0.238

I

8, 3

6, 3

 

II

66, 28

60, 34

 

III

142, 60

92, 53

 

IV

22, 9

16, 9

 

EuroSCORE

4.85 ± 2.37

7.11 ± 2.18

< 0.001

Echocardiogram variables

   

Preoperative LVEF (%)

30.84 ± 3.97

31.02 ± 4.03

0.640

Preoperative LVDd (cm)

7.04 ± 1.10

6.95 ± 1.03

0.374

Evaluated PAP (mmHg)

46.64 ± 13.49

49.78 ± 15.52

0.048

Previous medical History (n, %)

   

Acute myocardial infarction

61, 26

39, 22

0.452

Atrial fibrillation

56, 24

39, 22

0.791

Diabetes mellitus

26, 11

20, 11

0.856

Chronic renal disease

4, 2

3, 2

0.937

Hypertension

65, 27

41, 24

0.390

Liver diseases

8, 3

6, 3

0.962

COPD

15, 6

4, 2

0.056

Cancer

3, 1

3, 2

0.698

Smoking

46, 19

35, 20

0.843

Excessive alcohol

20, 8

15, 9

0.938

Iodine contrast medium use

228, 96

169, 97

0.768

Vancomycin use

4, 2

2, 1

0.658

Gentamicin use

0

0

—

Others renal-injury drug

2, 1

5, 3

0.115

  1. NYHA: New York Heart Association, COPD: Chronic obstructive pulmonary disease, LVDd: Left ventricular end-diastolic diameter, LVEF: Left ventricular ejection fraction, PAP: Pulmonary artery pressure, Means ± SD