Table 1: Characterization summary of Polyflux 210H and the results are presented as mean ± standard deviation.

Characteristic Gambro’s Polyflux 210H (Mean ± standard deviation) Mean absolute percent Error ± standard deviation Open pore space (in contact with the blood)   Open pore space (in contact with the dialysate)   Outer diameter 294.58 μm ± 1.05 Wall thickness 46.88 μm ± 1.65 Inner surface pore width range 34 nm–45 nm (40.11 nm ± 3.62)   Outer surface pore width range 0.45 μm–20.40 μm (11.36 μm ± 7.80)