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 |