Ghaedi E, Mohammadi M, Mohammadi H, Ramezani-Jolfaie N, Malekzadeh J, Hosseinzadeh M, Salehi-Abargouei A. Effects of a Paleolithic diet on cardiovascular disease risk factors: a systematic review and meta-analysis of randomized controlled trials. Adv Nutr 2019;10:634–46.
The Editors have been alerted by a reader with concerns about this meta-analysis. Specifically, the reader noted discrepancies in reported effect sizes and time periods, as well as confidence intervals, none of which the reader was able to reproduce. The Editors have contacted the authors, who have addressed initial concerns. However, due to the extent of the material about which concerns have been raised, the Editors need additional time to re-review this article after corrections have been made.
In the interim, this expression of concern should be taken to indicate that the data presented in the article named above may not be reliable. The Editors will publish a more complete correction as soon as possible.
Note that as of April 29, 2020 this Expression of Concern has been lifted after the article was replaced with a revised version.