Figure 1.

Correction of metabolic acidosis from potassium citrate versus potassium chloride administration and associated effects on serum potassium concentration. (A) Changes in serum bicarbonate concentration (S-HCO₃⁻) over 12 months in relation to potassium citrate or potassium chloride intake. (B) Changes in serum potassium concentration over 12 months in relation to potassium citrate or potassium chloride intake. *P≤0.05 versus potassium chloride; ^†P≤0.05 versus baseline for potassium chloride; ^‡P≤0.01 versus baseline for potassium citrate. S, serum; M, month.