This article refers to:
Li J, Bao J, Gao C, et al. Int J Gen Med. 2021;14:733–739
Page 733, Correspondence, the email address for Shujuan Tian should be [email protected].
Page 734, Materials and Methods, Study Population section, 1st sentence, “We studied 322 hospitalized patients from the first hospital of Hebei Medical University in China because of ischemic or hemorrhagic stroke between January 2014 and August 2016” should read “We studied 322 hospitalized patients from the National Population Health Science Data center in China because of ischemic or hemorrhagic stroke between January 2014 and August 2016”.
The authors apologize for these errors.