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Table 1 Demographic profiles of peritoneal patients in the combined and transfer groups

From: Is combined peritoneal dialysis and hemodialysis redundant? A nationwide study from Taiwan

 

Combined group

Transfer group

(N = 688)

Combined group vs. Transfer group

Three groups

HDa ≤ 3

(N = 378)

HDa = 4

(N = 310)

Total

(N = 688)

Variable

n

%

n

%

n

%

n

%

p-value

p-value

Age, years

        

1.00

0.67

 < 65

316

83.6

251

81.0

567

82.4

567

82.4

  

 ≥65

62

16.4

59

19.3

121

17.6

121

17.6

  

 Mean (SD)

49.1

(14.3)

51.6

(14.2)

50.2

(14.3)

50.2

(14.3)

0.91

0.08

Sex

        

1.00

0.04

 Female

171

45.2

170

54.8

341

49.6

341

49.6

  

 Male

207

54.8

140

45.2

347

50.4

347

50.4

  

Year at cohort entry

        

0.38

< 0.0001

 Before 2004

114

30.2

15

4.84

129

18.8

142

20.6

  

 After 2004

264

69.8

295

95.2

559

81.3

546

79.4

  

Duration of peritoneal dialysis, years

        

1.00

0.11

  < 1 year

120

31.8

81

26.1

201

29.2

201

29.2

  

 1–2 years

82

21.7

68

21.9

150

21.8

150

21.8

  

 2–5 years

144

38.1

111

35.8

255

37.1

255

37.1

  

  > 5 years

32

8.47

50

16.1

82

11.9

82

11.9

  

 Mean (SD)

2.32

(1.96)

2.72

(2.17)

2.50

(2.06)

2.53

(2.17)

0.83

0.04

Charlson comorbidity index

 Median (Q1, Q3)

3

(2, 4)

3

(2, 4)

3

(2, 4)

3

(2, 4)

< 0.0001

< 0.0001

 Mean (SD)

3.04

(1.76)

2.96

(1.78)

3.63

(1.77)

3.01

(1.77)

0.0002

0.0009

Comorbidity

 Diabetes

137

36.2

117

37.7

254

36.9

314

45.6

0.001

0.004

 Hypertension

360

95.2

297

95.8

657

95.5

656

95.4

0.90

0.93

 Ischemic heart disease

124

32.8

114

36.8

238

34.6

257

37.4

0.29

0.32

 Chronic heart failure

88

23.3

74

23.9

162

23.6

194

28.2

0.049

0.14

 Cerebrovascular disease

67

17.7

58

18.7

125

18.2

142

20.6

0.25

0.48

 PAOD

27

7.14

27

8.71

54

7.85

53

7.70

0.92

0.74

 Malignancy

24

6.35

23

7.42

47

6.83

48

6.98

0.92

0.85

Use of APD

72

19.1

85

27.4

157

22.8

173

25.2

0.31

0.02

Use of icodextrin

144

38.1

146

47.1

290

42.2

282

41.0

0.66

0.053

Recent peritonitis

95

25.1

118

38.1

213

31.0

344

50.0

< 0.0001

< 0.0001

Type of vascular access for HD

        

< 0.0001

< 0.0001

 AVF/AVG

205

54.2

115

37.1

320

46.5

425

61.8

  

 Tunneled catheter

33

8.73

100

32.3

133

19.3

159

23.1

  
  1. AVF arteriovenous fistula, AVG arteriovenous graft, APD automated PD, PAOD peripheral artery occlusive disease
  2. aHD hemodialysis sessions per month