Table 1 Baseline characteristics

Age (years)

51.3 ± 13.4

53.1 ± 12.8

0.463

Gender,male

34 (39.5)

21 (47.7)

0.48

BMI

21.44 ± 3.28

23.98 ± 3.72

<0.001*

Total K/tv

2 (1.8,2.2)

1.49 (1.5,1.6)

<0.001*

PD K/tv

1.8 (1.5,2)

1.5 (1.3,1.6)

<0.005*

kidney K/tv

0.1 (0,0.5)

0 (0,0.1)

0.014*

SBP(mmHg)

139.85 ± 23.91

139.98 ± 25.21

0.977

DBP (mmHg)

84.43 ± 17.26)

87.34 ± 16.20)

0.355

Heart Rate

80 (76,84)

80 (76,86.5)

0.202

Urine output, n (%)

39 (45.3%)

11 (25.0%)

0.039*

Smoke, n (%)

3 (3.5)

6 (13.6)

0.073

Hypertension, n (%)

72 (83.7)

38 (86.4)

0.890

Diabetes, n (%)

19 (22.1)

15 (34.1)

0.207

Cardiovascular disease, n (%)

10 (11.6)

8 (18.2)

0.450

Peritonitis history

 ≥ 2

1(1.04%)

2(4.44%)

<0.001*

 1 time

11(11.46%)

9(20%)

0.006

CRP (mg/L)

2.8 (0.8,6.8)

4.8 (2.3,9.1)

0.072

NLR

3.5 (1.2,7.1)

4.9 (2.5,8.7)

0.048*

Hemoglobin (g/L)

100.85 ± 21.54

92.09 ± 16.40

0.018*

Calcium (mmol/L)

2.2 (2.1,2.3)

2.1 (2,2.2)

0.802

Phosphorus (mmol/L)

1.44 ± 0.50

1.69 ± 0.60

0.011*

Creatinine (μmol/L)

715.47 ± 290.90

892.48 ± 388.77

0.004*

BUN (mmol/L)

16.10 ± 5.13

17.86 ± 6.99

0.104

Albumin (g/L)

31.63 ± 4.74

32.54 ± 4.93

0.309

Cholesterol (mmol/L)

4.3 (3.4,4.9)

4.2 (3.5,5)

0.476

HDL(mmol/L)

1.19 ± 0.38

0.99 (0.21)

0.478

LDL(mmol/L)

2.6 (2.2,3.1)

2.7 (2.1,3.2)

0.533

Triglycerides (mmol/L)

1.3 (0.9,1.8)

1.5 (1.1,2.4)

0.082

iPTH (pg/ml)

150.5 (68.1,292)

214 (104,380)

0.339

PD duration(year)

2.2 (1,4)

3 (1.9,5.1)

0.023*

ALP (mmol/L)

93 (71,124.8)

98.5 (80.2,114.8)

0.688

Ferritin(μg/L)

107 (51.8,216.8)

171.5 (82.8,299.2)

0.037*

Transferrin(g/L)

21.2 (12,31)

22.7 (15.3,29.7)

0.875

PD membrane statue

 Low (%)

16 (18.6)

14 (31.8)

0.141

 Low average (%)

30 (34.9)

20 (45.5)

0.326

 High (%)

24 (27.9)

5 (11.4)

0.055*

 High average (%)

16 (18.6)

5 (11.4)

0.418