Table 1.
Patient characteristics
| Characteristics | Change group | New start group |
|---|---|---|
| Age (years)a | 68.9 ± 12.0 | 66.3 ± 10.6 |
| Sex | ||
| Male | 5 | 16 |
| Female | 6 | 13 |
| Hemodialysis history (year)b | 6.8 ± 6.4 (2.6–25.2) | 7.0 ± 7.5 (0.2–31.9) |
| Primary disease | ||
| Chronic glomerulonephritis | 4 | 13 |
| Diabetic nephropathy | 3 | 10 |
| Nephrosclerosis | 1 | 2 |
| Rapidly progressive glomerulonephritis | 0 | 1 |
| Gout | 0 | 1 |
| Pyelonephritis | 1 | 0 |
| Unknown | 2 | 2 |
| Dialysis conditions | ||
| Number of times per week | 3 | 3 |
| Treatment time (h)c | 4.0 (4–4.5) | 4.0 (3.5–5.0) |
| Quantity blood (ml/min)c | 200 (200–250) | 200 (200–200) |
| Dialyzer | ||
| Membrane area (cm2)c | 1.9 (1–2.1) | 1.6 (1–2.1) |
| Membrane material | ||
| PS | 4 | 13 |
| PES | 4 | 10 |
| PEPA | 1 | 3 |
| PMMA | 2 | 2 |
| CTA | 1 | |
aAverage ± standard deviation
bAverage ± standard deviation (minimum–maximum)
cMedian (minimum–maximum)
CTA cellulose triacetate, PES polyethersulfone, PEPA polyester-based polymer alloy, PMMA polymethylmethacrylate, PS polysulfone