Table 1 Characteristics of enrolled patients

Number of patient

18

19

Sex (male/female)

15/3

12/7

n.s.

Age (years)

60.3 ± 10.1

58.2 ± 8.3

n.s.

Dialysis duration (years)

8.7 ± 7.1

10.5 ± 5.9

n.s.

Medical history for diabetes (Y/N)^#

6/12

8/11

n.s.

 Chronic glomerulonephritis

7

6

n.s.

 Diabetic nephropathy

5

7

 IgA nephropathy

1

1

 Nephrosclerosis

2

1

 Polycystic kidney

1

1

 A drop in renal function by chronic rejection after renal transplant

1

0

 Unknown

1

3

Dialysis time (hours)

4.1 ± 0.3

4.3 ± 0.5

n.s.

Blood flow rate (mL/min)

226 ± 23

234 ± 34

n.s.

Surface area (m²)

2.0 ± 0.3

2.0 ± 0.3

n.s.

 Polysulfone/polyether sulfone

1380 ± 285

n.s.

 NF

1202 ± 90

–

Membrane material (polysulfone/polyether sulfone)

11/7

10/9

n.s.

Dialysate (without acetate/ with acetate)

5/13

6/13

n.s.