Author Affiliations: Department of Epidemiology and Population Health, Albert Einstein College of Medicine, New York, New York (Drs Cohen and Aldermann); and Department of Rheumatology, Copenhagen University Hospital, Copenhagen, Denmark (Dr Graudal).
In their reanalysis of the Third National Health and Nutrition Examination Survey (NHANES III), Yang et al1 reached an opposite conclusion from the first NHANES III analysis of almost the same data2 and other recent population studies,3,4 which show that low sodium intake is associated with increased mortality.
Cohen HW, Aldermann M, Graudal N. Reanalysis of NHANES III Data on Sodium Association With Mortality: Appropriate Adjustment for Potassium Not Performed. Arch Intern Med. 2011;171(22):2063. doi:10.1001/archinternmed.2011.589