Blood Pressure-Lowering Mechanisms of the DASH Dietary Pattern
Simple regression of SBP changes on changes in individual biological and vascular variables at week one.
Urinary sodium/potassium ratio
Plasma renin activity
Plasma nitrite after hyperemia, %
Brachial artery flow-mediated dilation
Augmentation index, %
Pulse wave velocity, m/s
*Since urinary sodium and urinary potassium are closely related with urinary sodium/potassium ratio, only urinary sodium/potassium ratio, plasma renin activity, and % change in plasma nitrite after hyperemia were further included in a multivariate regression model. All three variables remained significantly associated with SBP change at week one ( for all).
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