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Table 2 Baseline characteristics in each of the groups after matching

From: Effect of renal support therapy on 5-year survival in patients discharged from the intensive care unit

Variable

RRT n = 4366

No RRT n = 145,864

Standardized differences

P value

Age, (%)

 51–60

12.9

12.6

1.0

0.631

 61–70

22.1

22.1

0.1

0.979

 61–70

29.2

29.2

− 0.1

0.962

 71–80

20.3

21.0

− 1.9

0.398

 81–90

2.0

2.2

− 0.9

0.653

 91–100

0.02

0.05

− 1.4

0.564

Region, (%)

 Bogota

24.5

24.2

0.8

0.709

 Central

24.3

24.7

− 0.9

0.672

 Eastern

14.6

14.5

0.4

0.856

 Pacific

19.6

19.9

− 1.0

0.648

 Other

0.46

0.32

1.9

0.303

Female sex, (%)

59.1

58.8

0.6

0.761

Admission to ICU n (%)

 Congestive heart failure

9.9

9.9

− 0.1

0.971

 Trauma

4.2

4.2

0.0

1.000

 Sepsis

21.5

21.7

− 0.3

0.897

Comorbidities, (%)

 Myocardial infarction

6.3

5.6

2.9

0.135

 Congestive heart failure

11.9

11.7

0.9

0.691

 Peripheral vascular disease

4.2

3.9

1.7

0.446

 Cerebrovascular disease

6.4

5.5

4.1

0.058

 Dementia

7.7

7.8

− 0.4

0.841

 Chronic pulmonary disease

20.2

19.5

1.9

0.391

 Connective tissue disease

4.8

4.9

− 0.8

0.729

 Peptic ulcer disease

12.7

11.6

3.5

0.109

 Mild liver disease

1.6

1.2

2.9

0.202

 Diabetes mellitus

33.5

32.8

1.6

0.481

 Metastasis solid tumor

2.7

2.5

1.4

0.502

 AIDS

0.36

0.23

2.1

0.239

 Any tumor

0.87

0.96

− 1.1

0.653

 Hypertension

66.5

65.6

1.9

0.354

 Renal disease

5.7

5.4

1.5

0.574