Table 1 Clinical characteristics

Age(years)

54.90 ± 9.26

55.04 ± 10.68

56.70 ± 9.67

0.246

0.782

Male (%)

21 (53.8)

15 (53.5)

12 (60)

0.245

0.885

height (cm)

169.41 ± 5.74

169.79 ± 5.41

170.90 ± 3.82

0.536

0.587

Weight (kg)

63.44 ± 3.47

63.39 ± 4.48

63.35 ± 3.84

0.028

0.972

BSA (m²)

1.72 ± 0.06

1.73 ± 0.05

1.73 ± 0.04

0.672

0.513

Systolic blood pressure (mmHg)

146.49 ± 12.31

147.86 ± 14.65

150.15 ± 13.23

0.501

0.608

Diastolic blood pressure (mmHg)

92.67 ± 8.55

92.41 ± 9.58

91.80 ± 9.64

0.060

0.942

Heart rate (beats/min)

76.33 ± 4.67

76.50 ± 6.48

77.8 ± 4.53

0.545

0.582

Duration of dialysis (months)

40.56 ± 17.48

34.54 ± 15.03

35.30 ± 16.59

1.418

0.248

Urea (mmol/L)

14.67 ± 7.93

24.79 ± 10.22a

27.95 ± 13.15a

14.585

 < 0.001

Blood calcium (mmol/L)

2.50 ± 0.24

2.55 ± 0.22

2.59 ± 0.21

1.079

0.325

Blood phosphorus (mmol/L)

1.72 ± 0.44

1.75 ± 0.46

1.79 ± 0.42

0.163

0.850

Hemoglobin(g/L)

101.77 ± 11.12

91.68 ± 4.85a

90.50 ± 4.43a

17.835

 < 0.001

SpO2 (%)

94 (2)b

94 (2)b

93 (2)

6.586

0.037

Albumin (g/L)

44.26 ± 9.7

40.32 ± 14.38

35.4 ± 7.15^b

4.366

0.016

Creatinine (mmol/L)

548.23 ± 235.33

600.54 ± 216.68

649.50 ± 309.91

1.145

0.323

Parathyroid hormone (pg/mL)

153.64 ± 103.29

239.04 ± 106.61

255.85 ± 100.11

8.701

 < 0.001

Cause of the disease, n (%)

 Hypertensive nephropathy (%)

5 (12.82)

4 (14.28)

3 (15.00)

0.061

0.971

 Diabetic nephropathy (%)

15 (38.46)

11 (39.28)

7 (35.00)

0.099

0.951

 Chronic glomerulonephritis (%)

17 (43.58)

12 (42.85)

9 (45.00)

0.072

0.989

 Other reasons (%)

2 (5.12)

1 (3.57)

1 (5.00)

0.100

0.951