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Comment & Response
September 13, 2016

Sodium Excretion, Cardiovascular Disease, and Chronic Kidney Disease

Author Affiliations
  • 1Department of Nephrology, Parc Tauli Sabadell, Hospital Universitari, Barcelona, Spain

Copyright 2016 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.

JAMA. 2016;316(10):1112. doi:10.1001/jama.2016.11553

To the Editor Mills and colleagues1 found that among patients with CKD, higher urinary sodium excretion was associated with increased risk of CVD. Analyses were adjusted for important covariates for CVD. In all the models, a significantly increased risk of CVD was documented in patients with the highest quartile of sodium excretion.

One of the variables that was not included in the statistical analysis was urinary protein excretion. In Table 1 in the article, where the characteristics of patients were described, urinary protein excretion was correlated with urinary sodium excretion. This correlation has been described previously by the same group in the same cohort of patients.2

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