Estimation of daily sodium and potassium excretion from overnight urine of Japanese children and adolescents.

ABSTRACT:

Background

Estimates of daily sodium (Na) and potassium (K) excretion were explicitly biased when using equations for adults. We aimed to develop equations to estimate them using overnight urine from Japanese children and adolescents.

Methods

The subjects comprised 70 students aged 10.49-15.76 years: validation group, n = 34; and verification group, n = 36. Each subject performed two operations of overnight spot urine (U_m) and 24-h urine (U₂₄) sampling. Concentrations of Na, K, and creatinine (Cr) were measured, and anthropometrics were recorded. In the validation group, Na/Cr, and K/Cr (mEq L^-1/mg dL^-1) in 24-h urine were predicted from their correspondents in overnight urine. Daily Cr excretion (EstCr₂₄; mg d^-1

SUBMITTER: Okuda M 

PROVIDER: S-EPMC7697364 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature