Table 1 Comparison of demographic and clinical characteristics of dialysis patients among the national cohort, respondents and non-respondents of the cross-sectional sample stratified by modality (HD: hemodialysis, PD: peritoneal dialysis).
HD | P value * | PD | P value * | ||||||
|---|---|---|---|---|---|---|---|---|---|
National cohort | Cross-sectional samples | National cohort | Cross-sectional samples | ||||||
Characteristics | Respondents | Non-respondents | Respondents | Non-respondents | |||||
Number of patients | 66996 | 1403 | 288 | 4800 | 284 | 7 | |||
Age, No (%) | |||||||||
Mean (SD) | 62.1 (13.7) | 57.1 (13.6) | 55.5 (15.4) | 0.103 | 53.1 (15.0) | 46.7 (13.2) | 46.7 (17.1) | 0.991 | |
18–34 years | 2170 (3.2%) | 87 (6.2) | 28 (9.7) | 0.213 | 572 (11.9%) | 59 (20.8) | 3 (42.9) | 0.071 | |
35-49 years | 10301 (15.4%) | 338 (24.1) | 72 (25.0) | 1358 (28.3%) | 112 (39.4) | 2 (28.6) | |||
50–64 years | 23133 (34.5%) | 562 (40.1) | 102 (35.4) | 1765 (36.8%) | 90 (31.7) | 0 (0.0) | |||
65–79 years | 25359 (37.9%) | 367 (26.2) | 75 (26.0) | 905 (18.8%) | 19 (6.7) | 2 (28.6) | |||
≥80 years | 6033 (9.0%) | 49 (3.5) | 11 (3.8) | 200 (4.2%) | 4 (1.4) | 0 (0.0) | |||
Sex (No of male, %) | 33260 (49.6%) | 700 (49.9) | 130 (45.1) | 0.142 | 2156 (44.9%) | 145 (51.1) | 2 (28.6) | 0.279 | |
Level of education completed, No (%) | |||||||||
Did not finish school | — | 276 (19.7) | 81 (28.1) | 0.005 | — | 5 (1.8) | 0 (0.0) | 0.825 | |
Elementary school | — | 568 (40.5) | 88 (30.6) | — | 48 (16.9) | 1 (14.3) | |||
Junior high school | — | 197 (14.0) | 49 (17.0) | — | 41 (14.4) | 2 (28.6) | |||
Senior high school | — | 245 (17. 5) | 50 (17.4) | — | 113 (39.8) | 3 (42.9) | |||
University and above | — | 117 (8.3) | 20 (6.9) | — | 77 (27.1) | 1 (14.3) | |||
Marriage status (No of married, %) | — | 934 (66.6) | 222 (77.1) | <0.001 | — | 191 (67.3) | 4 (57.1) | 0.688 | |
Duration of dialysis (months) | 55.2 (39.3) | 74.3 (61.0) | 89.5 (71.0) | <0.001 | 46.7 (29.8) | 42.6 (37.1) | 28.3 (29.4) | 0.393 | |
Employment, No (%) | — | 406 (28.9) | 131 (45.5) | <0.001 | — | 158 (55.6) | 4 (57.1) | 0.937 | |
Urbanization | — | — | |||||||
0 (Rural) | 21919 (32.7%) | — | — | 1260 (26.3%) | — | — | |||
1 (Satellite) | 19072 (28.5%) | — | — | 1397 (29.1%) | — | — | |||
2 (Metropolitan) | 26005 (38.8%) | — | — | 2143 (44.6%) | — | — | |||
Comorbidities (%) | |||||||||
Diabetes mellitus | 62.3 | 39.1 | 36.8 | 0.461 | 41.8 | 31.3 | 57.1 | 0.215 | |
Hypertension | 90.1 | 61.5 | 52.1 | 0.003 | 89.3 | 83.8 | 66.7 | 0.260 | |
Cardiovascular disease | 70.3 | 23.1 | 21.9 | 0.654 | 47.0 | 17.6 | 0.0 | 0.608 | |
Stroke | 25.3 | 6.2 | 8.7 | 0.123 | 13.2 | 2.5 | 0.0 | 1.000 | |
Hyperlipidemia | 49.8 | 6.2 | 2.1 | 0.005 | 53.7 | 33.8 | 71.4 | 0.052 | |
Rheumatological disease | 5.6 | 1.3 | 1.0 | 0.736 | 7.5 | 3.2 | 0.0 | 1.000 | |
Chronic liver disease | 28.2 | 19.2 | 16.7 | 0.321 | 24.3 | 14.8 | 28.6 | 0.286 | |
