Table 5.

Bioimpedance data and pre- and postdialysis body weightsa

ParameterHD37HD35
Body weight before dialysis (kg)71.8 (60 to 86.4)71.6 (60 to 87.3)
Body weight after dialysis (kg)69.7 (59 to 84.4)69.8 (59.3 to 84.7)
UF volume (ml)2.0 (1.4 to 2.3)2.1 (1.6 to 2.4)
Relative blood volume (%)−4.1 (−8 to −2)−6.3 (−10 to −4)
ECW (L)14.5 (12.4 to 16.7)14.4 (12.7 to 16.6)
ICW (L)22 (17.9 to 24.3)21.5 (18.4 to 24)
ECW/TBW0.41 (0.4 to 0.41)0.41 (0.4 to 0.42)
  • a Data are median (IQR). There were no significant differences between HD37 and HD35 for any of the parameters. ECW, extracellular water; ICW, intracellular water; TBW, total body water; UF, ultrafiltration volume.