Validation of spot urine in estimating 24-h urinary sodium, potassium and sodium-to-potassium ratio during three different sodium diets in healthy adults

Autor:	Eline H. Groenland, Jean-Paul A. C. Vendeville, Michiel L. Bots, Frank L. J. Visseren, Ruben E. A. Musson, Wilko Spiering
Jazyk:	angličtina
Rok vydání:	2023
Předmět:	sodium intake urinary salt excretion self-monitoring 24-h urine collection sodium-to-potassium ratio kawasaki intersalt tanaka Diseases of the circulatory (Cardiovascular) system RC666-701
Zdroj:	Blood Pressure, Vol 32, Iss 1 (2023)
Druh dokumentu:	article
ISSN:	0803-7051 1651-1999 08037051
DOI:	10.1080/08037051.2023.2170868
Popis:	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,5.0 g/day) for three consecutive weeks and to measure salt excretion daily in spot urine samples using a self-monitoring device. On day 7 of each week, 24-h urine was collected to compare measured with estimated 24-h salt excretion (by the Kawasaki, Tanaka and INTERSALT equations). Results Correlation coefficients relating measured and estimated 24-h sodium excretion were low and not significant for Kawasaki and INTERSALT and moderate for the Tanaka equation (τ 0.56–0.64,p
Databáze:	Directory of Open Access Journals
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