Table 1 Background characteristics of the study participants

Gender

male

female

total

  Number

446

214

660

  %

67.6

32.4

100

Age (year)

0~

30~

45~

60~

75~

total

  Number

6

24

115

285

230

660

  %

1

3.6

17.4

43.2

34.8

100

Primary disease

CGN

DM

others

total

  Number

318

255

87

660

  %

48.2

38.6

13.2

100

Hemodialysis vintage

< 2

2~

5~

10~

15~

20~

25~

≥ 30

total

  Number

136

186

196

91

39

10

2

0

660

  %

20.6

28.2

29.7

13.8

5.9

1.5

0.3

0

100

Kt/V

<0.8

0.8~

1.0~

1.2~

1.4~

1.6~

1.8~

≥ 2.0

total

  Number

13

20

47

110

202

152

75

41

660

  %

2

3

7.1

16.7

30.6

23

11.4

6.2

100

nPCR (g/kg/day)

<0.5

0.5~

0.7~

0.9~

1.1~

≥ 1.3

total

  Number

21

175

320

124

17

2

660

  %

3.2

26.6

48.5

18.8

2.6

0.3

100

Albumin (g/dl)

<3.0

3.0~

3.5~

4.0~

≥ 4.5

total

  Number

49

235

306

69

1

600

  %

7.4

35.6

46.4

10.5

0.1

100

BMI (kg/m²)

<16

16~

18~

20~

22~

24~

26~

≥ 28

total

  Number

5

32

120

186

156

93

31

36

660

  %

0.7

4.9

18.2

28.2

23.7

14.1

4.7

5.5

100

Total cholesterol (mg/dl)

<80

80~

120~

160~

200~

≤ 240

total

  Number

0

68

283

193

31

1

576

  %

0

11.8

49.1

33.5

5.4

0.2

100

%CGR (%)

<60

60~

70~

80~

90~

100~

110~

120~

≥130

total

  Number

66

48

78

95

110

115

71

38

35

656

  %

10.1

7.3

11.9

14.5

16.8

17.5

10.8

5.8

5.3

100

BNP (pg/ml)

<50

50~

100~

200~

300~

500~

≥ 1000

total

  Number

97

99

147

62

79

92

84

660

  %

14.7

15

22.3

9.4

12

13.9

12.7

100

Transthyretin (mg/dl)

<15

15-20

20-25

25-30

30-35

35-40

≥ 40

total

  Number

32

60

143

141

130

92

59

657

  %

4.9

9.1

21.8

21.4

19.8

14

9

100