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Table 2 Dialyser characteristics for both treatment arms

From: Effect of increased convective clearance by on-line hemodiafiltration on all cause and cardiovascular mortality in chronic hemodialysis patients – the Dutch CONvective TRAnsport STudy (CONTRAST): rationale and design of a randomised controlled trial [ISRCTN38365125]

  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 (m 2 ) 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
  1. # (QB = 300 ml/min, QD = 500 ml/min)