Table 2.

Serum and urinary parameters of mineral metabolism

BaselineFollow-Up
Potassium CitratePotassium ChloridePotassium CitratePotassium Chloride
Serum calcium, mM/L (2.10–2.60)2.39±0.102.38±0.072.36±0.122.33±0.11
Serum phosphate, mM/L (0.80–1.45)1.02±0.220.96±0.190.98±0.220.92±0.18
Intact parathyroid hormone, ng/L (15–65)81±4980±3385±3778±29
Bone-specific alkaline phosphatase, U/L (9–90)14±616±514±712±3
25-OH vitamin D, µg/L (>20)22.5±12.024.4±9.322.7±13.422.0±9.2
1,25-diOH vitamin D, ng/L (18.0–70.5)39.2±13.139.6±17.641.6±18.342.4±17.8
Urinary calcium, mmol/d1.5±1.12.3±2.52.0±1.72.7±2.5
Urinary phosphate, mmol/d20±7a29±624±927±7
  • Reference values are shown in parentheses.

  • a P=0.001 versus potassium chloride.