Subclinical hypothyroidism February 2019 ======================================== In Azim S, Nasr C, “Subclinical hypothyroidism: When to treat,” Cleve Clin J Med 2019; 86(2):101–110, on page [103](http://www.ccjm.org/lookup/doi/10.3949/ccjm.86a.17053), in the section “Subclinical hypothyroidism can resolve or progress,” the sentence “The rate of progression to overt hypothyroidism is estimated to be 33% to 35% over 10 to 20 years of follow-up” contained an error. The correct rate of progression is 33% to 55%. This error has been corrected online. * Copyright © 2019 The Cleveland Clinic Foundation. All Rights Reserved.