Table 5.

Proportion of patients with abnormal serum electrolyte values at 30 minutes posthemodialysis

Laboratory ParameterLower Limit NormalFrequency of Posthemodialysis Concentrations Below the Lower Limit Normal (%)Upper Limit NormalFrequency of Posthemodialysis Concentrations Above the Upper Limit Normal (%)
Sodium (mEq/L)<1353/38 (7.9)>1450 (0)
Potassium (mEq/L)<3.511/38 (29.0)>5.01 (2.6)
Bicarbonate (mEq/L)<220 (0)>2813 (34.2)
Calcium (mg/dl)<8.54/38 (10.5)>10.41 (2.6)
Magnesium (mg/dl)<1.77/38 (18.4)>2.40 (0)
Phosphate (mg/dl)<2.517/38 (44.7)>4.51 (2.6)
  • A total of 38 sessions from 38 patients had 30-min posthemodialysis measurements.