The article "Identifying Risk Factors for Unplanned Readmissions Following TJA," which was published in the May issue of AAOS Now, misidentified the presenting author of a study presented at the AAOS 2017 Annual Meeting in San Diego. Matthew A. Varacallo, MD, the primary author of "Ten-year Trends and Independent Risk Factors for Unplanned Readmission Following Elective Total Joint Arthroplasty at a Large Urban Academic Hospital," presented the study.