Table 45 Comparison of characteristics between in-center HD and HDF patients by dilution mode

Basic indices

Number of patients

228,971

28,783

1326

634

4194

Male

147,033

18,463

824

394

2473

Male (%)

64.2

64.1

62.1

62.1

59.0

Percentage of diabetes

39.5

33.5

30.8

30.1

30.0

Age

68.1 ± 12.3

64.6 ± 12.5

64.8 ± 12.2

66.8 ± 12.1

65.7 ± 11.9

Dialysis vintage (years)

7.0 ± 7.0

9.5 ± 8.5

11.0 ± 9.3

12.0 ± 9.8

12.9 ± 10.0

Postdialysis body weight (male)

59.6 ± 12.2

61.7 ± 12.4

61.0 ± 12.3

58.2 ± 11.5

60.2 ± 12.5

Postdialysis body weight (female)

48.6 ± 10.6

49.2 ± 10.3

48.8 ± 10.1

47.3 ± 9.6

47.4 ± 9.5

Indices for urea kinetics

dilalysis time (minute)

238.4 ± 31.4

246.8 ± 30.2

242.4 ± 29.7

240.3 ± 34.2

247.4 ± 30.4

Blood flow rate (mL/min)

204.9 ± 36.4

228.2 ± 41.0

219.9 ± 39.1

204.5 ± 36.0

212.2 ± 35.0

Kt/V (male)*

1.40 ± 0.26

1.45 ± 0.27

1.45 ± 0.26

1.39 ± 0.25

1.45 ± 0.26

Kt/V (female)*

1.62 ± 0.31

1.71 ± 0.31

1.70 ± 0.31

1.60 ± 0.32

1.69 ± 0.31

normalized protein catablic rate (g/kg/day, male)*

0.85 ± 0.17

0.87 ± 0.16

0.87 ± 0.16

0.86 ± 0.16

0.87 ± 0.17

normalized protein catablic rate (g/kg/day, female)*

0.88 ± 0.18

0.91 ± 0.18

0.91 ± 0.17

0.89 ± 0.17

0.90 ± 0.18

Indices for nutrition

Serum albumin (g/dL)

3.60 ± 0.44

3.65 ± 0.37

3.60 ± 0.41

3.52 ± 0.45

3.57 ± 0.43

Serum CRP level (mg/dL)

0.64 ± 1.94

0.49 ± 1.47

0.56 ± 1.79

0.83 ± 2.46

0.74 ± 2.09

Predialysis serum creatinin (male)*

10.98 ± 2.80

11.51 ± 2.66

11.53 ± 2.74

11.13 ± 2.81

11.10 ± 2.75

Predialysis serum creatinin (female)*

9.12 ± 2.34

9.66 ± 2.12

9.66 ± 2.11

9.16 ± 2.24

9.16 ± 2.13

Percent creatinin generation rate*

98.74 ± 25.96

102.74 ± 23.46

103.17 ± 24.13

96.86 ± 24.72

99.04 ± 24.60

Indices for CKD-MBD

Predialysis serum calcium (mg/dl)

9.18 ± 0.74

9.17 ± 0.73

9.25 ± 0.75

9.34 ± 0.80

9.29 ± 0.82

Predialysis serum phosphorus (mg/dl)

5.20 ± 1.43

5.38 ± 1.42

5.31 ± 1.37

5.29 ± 1.51

5.28 ± 1.51

Intact PTH level (pg/ml)

170.0 ± 161.0

178.1 ± 168.9

176.1 ± 157.7

178.5 ± 212.1

168.6 ± 163.9

Predialysis serum total cholesterol (mg/dl)

154.7 ± 35.3

158.39 ± 35.55

162.50 ± 36.07

152.4 ± 36.0

154.9 ± 35.7

Indices for anemia

Predialysis hemoglobin (g/dL)

10.69 ± 1.28

10.88 ± 1.24

10.80 ± 1.24

10.78 ± 1.51

10.68 ± 1.36