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Table 3 Comparison of variables before and after propensity score matching in online hemodiafiltration patients by estimated albumin leakage (EAL) and serum albumin concentration (s-Alb)

From: Effects of high albumin leakage on survival between online hemodiafiltration and super high-flux hemodialysis: the HISTORY study

Item

Before matching

After matching

High EAL and high s-Alb group

High EAL and low s-Alb group

P value

High EAL and high s-Alb group

High EAL and low s-Alb group

P value

(a) High EAL and high s-Alb group versus high EAL and low s-Alb group

Patients, n

120

104

 

81

81

 

Age, years

57.3 ± 11.4

64.6 ± 9.8

 < 0.001

61.2 ± 8.6

62.7 ± 9.2

0.170

Dialysis vintage, months

150.7 ± 112.3

169.0 ± 129.3

0.504

168.6 ± 121.9

168.1 ± 127.1

0.781

Diabetes mellitus, % with/without

26.7/73.3

28.8/71.2

0.766

24.7/75.3

24.7/75.3

 > 0.999

Body mass index, kg/m2

23.3 ± 3.9

22.4 ± 3.0

0.208

22.4 ± 3.6

22.6 ± 2.8

0.332

Normalized protein catabolism rate, g/kg/day

0.9 ± 0.2

0.9 ± 0.1

0.176

0.9 ± 0.2

0.9 ± 0.1

0.773

Corrected calcium, mg/dL

9.1 ± 0.7

9.3 ± 0.7

0.115

9.1 ± 0.6

9.1 ± 0.7

0.865

Phosphorus, mg/dL

5.9 ± 1.7

5.6 ± 1.3

0.169

5.6 ± 1.3

5.6 ± 1.4

0.908

Hemoglobin, g/dL

11.4 ± 1.1

11.3 ± 1.3

0.326

11.4 ± 1.1

11.3 ± 1.2

0.371

High-sensitivity C-reactive protein, mg/dL

0.199 ± 0.425

0.668 ± 1.744

0.002

0.234 ± 0.505

0.245 ± 0.368

0.117

Kt/V

1.5 ± 0.3

1.6 ± 0.3

0.010

1.6 ± 0.3

1.6 ± 0.3

0.855

(b) High EAL and high s-Alb group versus low EAL and high s-Alb group

Patients, n

120

118

 

75

75

 

Age, years

57.3 ± 11.4

67.5 ± 10.2

 < 0.001

62.2 ± 9.8

64.0 ± 10.2

0.305

Dialysis vintage, months

150.7 ± 112.3

132.0 ± 125.1

0.053

157.0 ± 117.3

148.6 ± 131.2

0.365

Diabetes mellitus, % with/without

26.7/73.3

44.1/55.9

0.007

29.3/70.7

30.7/69.3

 > 0.999

Body mass index, kg/m2

23.3 ± 3.9

22.8 ± 3.8

0.270

23.0 ± 4.0

22.8 ± 4.2

0.460

Normalized protein catabolism rate, g/kg/day

0.9 ± 0.2

0.9 ± 0.2

0.992

0.9 ± 0.1

0.9 ± 0.2

0.892

Corrected calcium, mg/dL

9.1 ± 0.7

9.1 ± 0.7

0.911

9.2 ± 0.8

9.2 ± 0.7

0.848

Phosphorus, mg/dL

5.9 ± 1.7

5.4 ± 1.3

0.029

5.7 ± 1.3

5.6 ± 1.4

0.550

Hemoglobin, g/dL

11.4 ± 1.1

11.2 ± 1.2

0.039

11.3 ± 1.1

11.3 ± 1.3

0.534

High-sensitivity C-reactive protein, mg/dL

0.199 ± 0.425

0.144 ± 0.196

0.920

0.156 ± 0.272

0.144 ± 0.211

0.721

Kt/V

1.5 ± 0.3

1.6 ± 0.3

0.330

1.6 ± 0.3

1.6 ± 0.3

0.795

(c) High EAL and high s-Alb group versus low EAL and low s-Alb group

Patients, n

120

86

 

39

39

 

Age, years

57.3 ± 11.4

71.9 ± 10.2

 < 0.001

65.8 ± 8.8

66.3 ± 10.9

0.653

Dialysis vintage, months

150.7 ± 112.3

126.1 ± 99.3

0.137

147.9 ± 120.4

145.9 ± 104.6

0.738

Diabetes mellitus, % with/without

26.7/73.3

31.4/68.6

0.532

30.8/69.2

30.8/69.2

 > 0.999

Body mass index, kg/m2

23.3 ± 3.9

22.1 ± 4.6

0.013

22.4 ± 3.6

23.1 ± 5.6

0.964

Normalized protein catabolism rate, g/kg/day

0.9 ± 0.2

0.8 ± 0.2

0.001

0.8 ± 0.1

0.8 ± 0.2

0.596

Corrected calcium, mg/dL

9.1 ± 0.7

9.4 ± 0.6

0.011

9.3 ± 0.7

9.2 ± 0.6

0.908

Phosphorus, mg/dL

5.9 ± 1.7

5.1 ± 1.3

 < 0.001

5.6 ± 1.3

5.5 ± 1.4

0.656

Hemoglobin, g/dL

11.4 ± 1.1

10.7 ± 1.4

 < 0.001

11.2 ± 1.0

10.9 ± 1.6

0.029

High-sensitivity C-reactive protein, mg/dL

0.199 ± 0.425

0.746 ± 1.638

 < 0.001

0.276 ± 0.675

0.307 ± 0.408

0.019

Kt/V

1.5 ± 0.3

1.7 ± 0.3

 < 0.001

1.6 ± 0.3

1.7 ± 0.3

0.807