Table 3 Frequency distributions of various EQ-5D domain scores, utility values and visual analogue scales (VAS) for cross-sectional samples of dialysis patients after and before matching.

From: Cost-effectiveness of hemodialysis and peritoneal dialysis: A national cohort study with 14 years follow-up and matched for comorbidities and propensity score

EQ-5D score

Matched samples

Total cross-sectional samples

p-value

HD (n = 179)

PD (n = 179)

di *

HD (n = 1403)

PD (n = 284)

Mobility dimension, %

     

<0.001 †

 No problems

152 (84.9)

137 (76.5)

21.41

862 (61.4)

246 (86.6)

 

 Some problems

25 (14.0)

40 (22.3)

21.66

480 (34.2)

34 (12.0)

 

 Confined to bed

2 (1.1)

2 (1.1)

0.00

61 (4.4)

4 (1.4)

 

Self-care dimension, %

     

<0.001 †

 No problems

159 (88.8)

150 (83.8)

14.58

1043 (74.3)

258 (90.9)

 

 Some problems

13 (7.3)

22 (12.3)

16.88

260 (18.5)

17 (6.0)

 

 Unable to wash/dress

7 (3.9)

7 (3.9)

0.00

100 (7.1)

9 (3.2)

 

Usual activities dimension, %

     

<0.001 †

 No problems

146 (81.6)

127 (71.0)

25.12

764 (54.4)

237 (83.5)

 

 Some problems

26 (14.5)

44 (24.6)

25.68

509 (36.3)

38 (13.4)

 

 Unable to perform

7 (3.9)

8 (4.5)

2.99

130 (9.3)

9 (3.2)

 

Pain/discomfort dimension, %

     

<0.001 †

 None

120 (67.0)

114 (63.7)

6.94

774 (55.2)

193 (68.0)

 

 Moderate

54 (30.2)

61 (34.1)

8.36

584 (41.6)

84 (29.6)

 

 Extreme

5 (2.8)

4 (2.2)

3.84

45 (3.2)

7 (2.5)

 

Anxiety/depression dimension, %

     

0.310 †

 None

135 (75.4)

142 (79.3)

9.33

1000 (71.3)

213 (75.0)

 

 Moderate

41 (22.9)

36 (20.1)

6.82

374 (26.7)

64 (22.5)

 

 Extreme

3 (1.7)

1 (0.6)

10.33

29 (2.1)

7 (2.5)

 

Utility score by TW function

 Mean (SD)

0.88 (0.17)

0.89 (0.18)

5.71

0.81 (0.21)

0.90 (0.17)

<0.001 ‡

 Median (IQR)

0.92 (0.18)

1.00 (0.10)

 

0.86 (0.27)

1.00 (0.10)

<0.001 §

 Range

0.26–1.00

0.10–1.00

 

0.00/1.00

0.00/1.00

 

Utility score by UK function

 Mean (SD)

0.88 (0.15)

0.90 (0.16)

12.90

0.83 (0.19)

0.90 (0.16)

<0.001 ‡

 Median (IQR)

0.90 (0.17)

1.00 (0.13)

 

0.87 (0.22)

1.00 (0.13)

<0.001 §

 Range

0.30/1.00

0.14/1.00

 

0.00/1.00

0.00/1.00

 

EQ VAS, mean (SD)

67.3 (15.6)

69.9 (15.4)

16.77

65.4 (15.2)

69.4 (15.7)

<0.001 ‡

 Median (IQR)

70.0 (20.0)

70.0 (20.0)

 

70.0 (20.0)

70.0 (20.0)

<0.001 §

 Range

0/100

10/100

 

0/100

10/100

 
  1. Abbreviation: SD: standard deviation; di: standardized difference; HD: hemodialysis; PD: peritoneal dialysis; TW: Taiwan; UK: United Kingdom.
  2. *The comparison of difference between matched HD and PD patients by standardized differences.
  3. †The comparison of difference between total cross-sectional HD and PD patients by the Mantel-Haenszel Chi-square test for trend.
  4. ‡The comparison of difference between total cross-sectional samples of HD and PD patients by the Student’s t test.
  5. §The comparison of difference between total cross-sectional samples of HD and PD patients by the Kruskal-Wallis test.
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