Comment on Mente, O'Donnell, Rangarajan, et al. "Associations of urinary sodium excretion with cardiovascular events in individuals with an without hypertension: a pooled analysis of data from four studies"

J. I. Katz

Mente, O'Donnell, Rangarajan, et al. ignore a possible source of bias that may invalidate their finding of an anticorrelation between sodium intake and cardiovascular events