Table 1 Summary of patient characteristics

Age (years)

69 [61, 76]

Male (%)

125 (61.6)

Time on hemodialysis (years)

6 [2, 14]

BMI (kg/m²)

21.3 [18.8, 24.6]

Primary kidney disease (%)

 Diabetes

70 (34.5)

 GN/cystic kidney disease

61 (30.0)

 Hypertension

20 (9.9)

 Others

52 (25.6)

Comorbidity (%)

 Atherosclerotic heart disease

53 (26.1)

 Congestive heart failure

33 (16.3)

 CVA/TIA

52 (25.6)

 Diabetes

92 (45.3)

Comorbidity Index (point)

6 [4, 9]

Serum albumin (g/dL)

3.7 [3.6, 3.9]

GNRI

95.1 [90.3, 98.6]

MMSE score

27 [24, 29]

Usual walking speed (m/s)

1.2 [0.9, 1.4]