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. 2019 Oct 16;8(21):e013287. doi: 10.1161/JAHA.119.013287

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© 2019 The Authors. Published on behalf of the American Heart Association, Inc., by Wiley.

This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Correlation between 3 types of urinary Na measurements and age, sex, and BMI for the pooled samples from both visits. Na_^1st: Daily estimated urinary Na from first morning urine samples. Na_^2nd: Daily estimated urinary Na from first morning urine samples. Na_24hour: Daily measured urinary Na from first morning urine samples. BMI indicates body mass index.