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Table 1 Patient profile for developing novel equations

From: Novel equations for bioimpedance spectroscopy to calculate body fluid volume based on the agreement between body weight and extracellular water change before and after hemodialysis as a guide

Total number of data 466
Total number of patients (male/female) 351 (221/130)
Age (years old) 67.3 (12.3)
Height (cm) 160.7 (10.0)
Dry weight (kg) 57.86 (13.39)
ΔW (kg) 2.42 (1.02)
R0pre (Ω) 480.8 (77.2)
Rinfpre (Ω) 378.4 (69.9)
R0post (Ω) 594.3 (93.7)
Rinfpost (Ω) 440.3 (77.0)
%ECWpre, MLT/Moissl 23.7 (5.4) / 28.3 (3.1)
%ECWpost MLT/Moissl 16.9 (5.2) / 25.3 (3.0)
  1. Subscript indicates the phase of measurement (pre- & post-hemodialysis)
  2. Average values (standard deviation) are indicated
  3. ΔW body weight change between pre- and post-hemodiaysis, R0 impedance at zero frequency, Rinf impedance at infinite frequency, %ECW extracellular water as a percentage of body weight