Abstract
Purpose: To evaluate the validity of spot urine assay methods in estimating the 24-h urinary sodium, potassium and sodium-to-potassium ratio during three different sodium diets. Materials and methods: Twelve healthy volunteers were asked to adhere to 3 dietary sodium targets (3.3–5.0g/day,<3.3 g/day and >5.0 g/day) for three consecutive weeks and
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