Table 2.
Dialyser characteristics for both treatment arms
| Low-flux HD | Online HDF | |||
| Company | Gambro | Fresenius | Gambro | Fresenius |
| Dialyser | Polyflux 17L | F8HPS | Polyflux 170H | FX80 |
| Membrane material | polyamide | polysulfone | polyamide | polysulfone (helixone) |
| Sterilisation method | heat | heat | heat | heat |
| Surface area (m2 ) | 1.7 | 1.8 | 1.7 | 1.8 |
| Membrane thickness (μm) | 50 | 40 | 50 | 35 |
| UF coefficient (ml/mmHg/h) | 13 | 18 | 65 | 59 |
| In vitro clearance:# | ||||
| Urea | 260 | 251 | 268 | 276 |
| Phosphate | 198 | 193 | 229 | 239 |
| Vit B12 | 111 | 118 | 158 | 175 |
# (QB = 300 ml/min, QD = 500 ml/min)