“…National registries provide valuable data that can be highly beneficial to those interested in the treatment of shoulder pathologies, as registries are competent tools for monitoring new trends in surgical practice. 7 , 25 , 27 , 28 Furthermore, multinational registry data can be pooled to gather larger statistical data and to understand the inclinations of the orthopedic community to an international perspective. However, one of the limitations in utilizing data from multiple registries or in comparing data from different clinical studies is the lack of homogeneity across the different variables.…”