In the article, “The genetic association between osteoprotegerin (OPG) gene polymorphisms and bone mineral density (BMD) in postmenopausal women: A meta-analysis”,[ which appeared in Volume 97, Issue 51 of Medicine, the affiliations for the authors are appearing incorrectly. They should be:aDepartment of Orthopedics, Changshu First People's Hospital, Changshu, 215500, People's Republic of China.bDepartment of Orthopedics, The First Affiliated Hospital of Suzhou University, Soochow 215000, People's Republic of China.