In the Original Investigation titled “Absolute and Functional Iron Deficiency in the US, 2017-2020,”1 published September 24, 2024, there was an error in the definition of functional iron deficiency in the Methods. The threshold should have been transferrin saturation less than 20%, not less than 30%. This article has been corrected.1
Reference
- 1.Tawfik YMK, Billingsley H, Bhatt AS, et al. Absolute and functional iron deficiency in the US, 2017-2020. JAMA Netw Open. 2024;7(9):e2433126. doi: 10.1001/jamanetworkopen.2024.33126 [DOI] [PMC free article] [PubMed] [Google Scholar]