Table 2.

Average predialysis serum electrolyte, urea, and creatinine concentrations over the 12-mo study period

Hemodiafiltration (n = 24)High-flux hemodialysis (n = 21)Pa
aP values indicate the significance of the difference between hemodiafiltration and high-flux hemodialysis.
Sodium (mmol/L)139 ± 1139 ± 10.238
Potassium (mmol/L)5.8 ± 0.15.8 ± 0.10.740
Calcium (mmol/L)2.30 ± 0.022.28 ± 0.030.616
Inorganic phosphorus (mg/dl)4.8 ± 0.24.9 ± 0.30.767
Bicarbonate (mmol/L)21.3 ± 0.319.6 ± 0.3<0.001
Urea (mg/dl)143 ± 5162 ± 5<0.001
Creatinine (mg/dl)9.7 ± 0.411.5 ± 0.40.005