In the article, “The outcomes and prognostic factors of the patients with unplanned intensive care unit readmissions”,[ which appeared in Volume 97, Issue 26 of Medicine, the author affiliations should appear as:aDepartments of Orthopedics and Trauma, Chi Mei Medical Center, Tainan, TaiwanbDepartment of Respiratory Therapy, Chi Mei Medical Center, Liouying, Tainan, TaiwancDepartment of Intensive Care Medicine, Chi Mei Medical Center, Liouying, Tainan, Taiwan