Table 1 Participant characteristics (n = 96)

Age (years)

68.5 ± 15.2

Male/female

72(75%)/24(25%)

Duration of dialysis (years)

5.4 ± 5.3

Number of days to the second dose (days)

21.3 ± 2.5

Underlying disease

Diabetes

40 (41.7%)

Nephrosclerosis

25 (26%)

Chronic glomerulonephritis

16 (16.7%)

Other

15 (15.6%)

Height (cm)

163 ± 10.1

Body weight (kg)

62.1 ± 16.5

Body Mass Index (kg/m²)

23.3 ± 5.9

Creatinine Index

90.1 ± 26.3

C-reactive protein (mg/dL)

0.45 ± 1.21

HbA1c (NGSP) (%)

6.5 ± 1.5

PTH-intact (pg/mL)

210.5 ± 221.1

Glycated albumin (%)

21.1 ± 4.8

Ferritin (ng/mL)

181.3 ± 174.6

Geriatric Nutritional Risk Index

93.6 ± 7.2

Kt/V (Shinzato)

1.41 ± 0.28

Protein catabolism rate(g/kg/day)

0.83 ± 0.15

Transferrin saturation (%)

28.3 ± 15

Pre-dialysis albumin (g/dL)

3.7 ± 0.4

Post-dialysis albumin (g/dL)

4.3 ± 0.6

Clear space ratio (%)

65.47 ± 7.44