The journal Heart has retracted a 2012 meta-analysis after learning that two of the six studies included in the review contained duplicated data. Those studies, it so happens, were conducted by one of the co-authors.
The article, “Low sodium versus normal sodium diets in systolic heart failure: systematic review and meta-analysis,” came from an eclectic group of authors from the United States, Canada and Italy (the first author is listed as being at a Wegmans pharmacy in Ithaca, N.Y.). The paper, published online in August 2012, purported to find that: Continue reading Heart pulls sodium meta-analysis over duplicated, and now missing, data