Table 4.

Intake of potassium citrate or potassium chloride, along with changes in renal graft function, serum bicarbonate concentration, and serum pH

Baseline2 mo6 mo12 mo
Potassium CitratePotassium ChloridePotassium CitratePotassium ChloridePotassium CitratePotassium ChloridePotassium CitratePotassium Chloride
Citrate dosage, mmol0032±11029±16034±150
K+ dosage, mmol0077±27a27±1071±41a27±1083±37a28±10
Estimated GFR, ml/min per 1.73 m256±1951±1753±16b46±11b
Serum pH7.367.347.37a7.327.387.347.377.35
Serum HCO3, mmol/L21.3±2.320.4±2.125.4±2.2a21.0±2.724.1±3.4a21.6±1.624.3±2.7a21.4±1.9
  • a P<0.05 versus potassium chloride.

  • b P<0.05 versus baseline.