Table 2 Demographic, clinical characteristics, MOCA and PSQI scores in the two groups

Age(years)

50.7±9.4

46.3±11.6

-1.647

0.105^a

Gender(male/female)

13/18

18/13

1.620

0.203^c

Hypertension(n%)

24(77.4)

27(87.1)

1.005

0.316^c

Diabetes(n%)

9(29.0)

6(19.4)

0.796

0.372^c

Education(years)

9.0(6.0,12.0)

9.0(6.0,11.0)

-0.594

0.558^b

Antihypertensive(n%)

22(71.0)

20(66.7)

0.132

0.717^c

SBP(mmHg)

146.3±4.1

142.2±3.1

-0.807

0.423^a

DBP(mmHg)

84.1±2.3

81.7±1.6

-0.861

0.393^a

Body weight gain(%)

3.7±0.9

3.8±0.7

0.856

0.396^a

MoCA(points)

25.0(21.0,26.0)

25.0(21.0,27.0)

-0.744

0.462^b

HD duration(months)

26.0(17.0,60.0)

12.0(6.0,24.0)

-2.864

0.004^b

BUN(mmol/L)

24.6(22.1,29.8)

23.7(20.2,28.5)

-0.873

0.387^b

UA(umol/L)

426.1±70.4

417.1±67.1

-0.514

0.609^a

Cr(umol/L)

996.6±215.3

984.9±207.0

-0.217

0.829^a

K⁺(mmol/L)

4.6±0.8

4.4±0.9

-0.517

0.607^a

Na²⁺(mmol/L)

139.5±3.6

140.4±3.5

0.960

0.341^a

Ca²⁺(mmol/L)

2.2±0.2

2.2±0.3

-0.806

0.425^a

HCO3^-(mmol/L)

19.5±2.8

18.8±3.0

-1.018

0.313^a

P(mmol/L)

2.0±0.6

1.9±0.6

-0.549

0.585^a

WBC(10⁹/L)

6.1±2.0

6.7±1.9

0.038

0.230^a

CRP(mg/L)

2.6(1.3,4.6)

2.3(1.7,5.6)

-0.169

0.870^b

RBC(10¹²/L)

3.3±0.8

3.4±0.8

0.178

0.860^a

Hb(g/L)

98.7±13.4

102.4±12.0

1.127

0.264^a

Hct(%)

31.3±7.5

30.9±7.0

-0.181

0.857^a

TP(g/L)

65.6±9.8

63.0±8.8

-1.105

0.274^a

Alb(g/L)

39.0±6.6

37.6±6.0

-0.884

0.380^a

TC(mmol/L)

4.1(3.3,4.6)

3.4(3.0,4.7)

-1.014

0.315^b

TG(mmol/L)

1.7(1.1,2.4)

1.3(1.1,1.9)

-1.401

0.163^b

HDL-C(mmol/L)

1.0(0.7,1.2)

0.9(0.8,1.0)

-0.366

0.719^b

LDL-C(mmol/L)

2.0(1.7,2.6)

1.8(1.5,2.6)

-0.507

0.617^b

ALP(U/L)

76.9(64.0,97.0)

79.0(65.0,103.0)

-0.606

0.550^b

PTH (g/L)

240.8(183.6,806.0)

316.4(138.8,466.9)

-0.880

0.385^b

Serum iron(umol/L)

8.8±3.0

11.5±3.6

3.166

0.002^a

TIBC(umol/L)

42.3±10.7

44.2±12.4

0.653

0.516^a

TS(%)

21.7±7.8

28.0±10.7

2.643

0.010^a

Serum ferritin(ng/mL)

173.5±28.3

145.0±23.2

-0.779

0.439^a

Folate(ng/mL)

5.9(4.2,9.1)

7.1(4.1,18.0)

-0.938

0.352^b

VitB12(pg/mL)

672.1(460.6,889.9)

532.7(403.1,854.6)

-1.316

0.192^b

PSQI(points)

11.7±3.3

9.9±3.3

-2.121

0.038^a

Kt/V(ml-s-l/1.73m²)

1.3±0.1

1.4±0.1

3.652

0.276^a