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