Table 3 Dialysis efficiency and adequacy metrics, highlighting superior small and middle molecule clearance with HDF, while nutritional parameters remained comparable between groups.

From: Continuous beta-2 microglobulin–based clearance highlights superiority of high-Dose HDF over high-flux HD in predicting outcomes

Parameters

Total

HD

HDF

Test

p-value

Patients (n)

286

144

142

  

PR Urea (%)

Median [Q1_Q3]

77.2

[73.3 ; 81.1]

75.9

[72.1 ; 80.3]

78.5

[74.9 ; 81.3]

Wilcoxon test

0.008

Kt/V

Median [Q1_Q3]

1.7

[1.5 ; 1.9]

1.7

[1.5 ; 1.9]

1.8

[1.6 ; 2.0]

Wilcoxon test

0.009

Kt (L/ses)

Median [Q1_Q3]

63.1

[55.2 ; 71.8]

62.4

[52.0 ; 69.3]

64.8

[57.1 ; 75.7]

Wilcoxon test

0.013

nPCR (g/kg/24 h)

Median [Q1_Q3]

1.1

[1.0 ; 1.3]

1.1

[1.0 ; 1.2]

1.1

[0.9 ; 1.3]

Wilcoxon test

0.946

ß2Mpre (mg/l)

Median [Q1_Q3]

26.2

[22.9 ; 30.5]

26.9

[23.4 ; 30.9]

26.0

[22.5 ; 29.9]

Wilcoxon test

0.122

ß2Mpost.eq (mg/l)

Median [Q1_Q3]

9.3

[7.3 ; 11.9]

10.9

[9.0 ; 13.9]

8.1

[6.6 ; 10.2]

Wilcoxon test

 < 0.001

PR ß2M (%)

Median [Q1_Q3]

63.2

[55.9 ; 71.1]

58.7

[51.7 ; 63.8]

69.6

[62.2 ; 73.0]

Wilcoxon test

 < 0.001

ß2M TAC (mg/l)

Median [Q1_Q3]

16.3

[13.9 ; 19.1]

17.3

[15.3 ; 20.5]

15.1

[12.9 ; 17.9]

Wilcoxon test

 < 0.001

Effective Kß2M (ml/min)

Median [Q1_Q3]

52.5

[41.9 ; 61.9]

44.1

[38.0 ; 54.7]

59.3

[50.2 ; 68.5]

Wilcoxon test

 < 0.001

ß2M Mass removal (mg/ses)

Median [Q1_Q3]

197.5

[157.5 ; 240.9]

183.2

[142.3 ; 219.3]

209.5

[169.2 ; 253.6]

Wilcoxon test

0.002