Table 1 Baseline characteristics of enrolled patients

Gender (male: female)

29: 6

29: 5

Age (year)

44.69 ± 8.88

45.18 ± 7.73

Dialysis vintage (month)

25 (17–37)

26 (13–36)

spKt/V

1.34 ± 0.23

1.27 ± 0.16

Serum albumin (g/L)

42.10 (40.35–43.40)

41.95 (38.88–43.55)

Hospitalizations (times/6 m)

0 (0–0)

0 (0–1)

Infections (times/6 m)

0 (0–0)

0 (0–0)

Medications

Antihypertensive drugs (Y/N)

33/2

31/3

Phosphate binders (Y/N)

34/1

31/3

Active vitamin D or Cinacalcet (Y/N)

33/2

34/0

α-Ketoacid (Y/N)

13/22

2/32^*