1Professor and Chairman, New York University School of Medicine, Orthopaedic Surgery, Surgeon-in-Chief, NYU Langone Orthopedic Hospital, New York, NY, USA J. D. Zuckerman ✉, New York University School of Medicine, Orthopaedic Surgery, Hospital for Joint Diseases, 301 East 17th Street, 14th Floor, New York, NY 10003, USA, Email: [email protected] This CORR Insights® is a commentary on the article “Substantial Inconsistency and Variability Exists Among Minimum Clinically Important Differences for Shoulder Arthroplasty Outcomes: A Systematic Review” by Kolin and colleagues available at: DOI: 10.1097/CORR.0000000000002164. The author certifies receipt of personal payments of benefits, during the study period, in the amount of USD 10,000 to USD 1,000,000 from Exactech Inc, and in the amount of USD 10,000 to USD 100,000 from the Musculoskeletal Transplant Foundation. All ICMJE Conflict of Interest Forms for authors and Clinical Orthopaedics and Related Research® editors and board members are on file with the publication and can be viewed on request. The opinions expressed are those of the writer, and do not reflect the opinion or policy of CORR® or The Association of Bone and Joint Surgeons®.