Table 1 Baseline characteristics and clinical features of the study population with different albumin status (n = 781)

Dialysis vintage (years)

7.29

4.94

7.81

4.98

0.346

5-year mortality (n, %)

<0.001

 Survival

40

43.48

559

81.13

 Cardiovascular

18

19.57

37

5.37

 Other cause

34

36.96

93

13.50

Age (years)

66.60

11.48

58.32

11.88

<0.001

Gender (n, %)

0.066

 Male

33

35.87

317

46.01

 Female

59

64.13

372

53.99

Diabetes Mellitus (n, %)

<0.001

 No

56

60.87

540

78.37

 Yes

36

39.13

149

21.63

Year of death

–

 Death before 2010

18

19.57

19

2.76

 Death after 2010

34

36.96

111

16.11

Blood analysis

 Hb (g/dL)

10.37

1.68

10.76

1.23

0.006

 Albumin (g/dL)

3.43

0.30

3.95

0.27

<0.001

 BUN (mg/dL)

62.67

18.74

69.26

16.12

<0.001

 Cr (mg/dL)

8.75

2.22

10.89

2.19

<0.001

 K (meq/L)

4.73

0.77

4.99

0.71

<0.001

 Ca (mg/dL)

9.54

0.81

9.34

0.85

0.030

 P (mg/dL)

4.54

1.52

4.89

1.38

0.023

 iPTH (pg/mL)

163.45

(60–356)

216.10

(76–510)

0.141

 Ferritin (ng/mL)

443.25

(280–714)

396.10

(231–595)

0.022

 Kt/V urea

1.69

0.34

1.74

0.78

0.540

 URR

0.75

0.07

0.75

0.07

0.942

 Cardiothoracic ratio

0.54

0.08

0.50

0.07

<0.001