The Development and Evaluation of a New Shoulder Scoring System Based on the View of Patients and Physicians: The Fudan University Shoulder Score

Existing patient self-reported shoulder scoring systems fail to express physicians' points of view, and understanding the wording can sometimes lead to confusion in Easterners. We sought to develop a valid, reliable, and responsive shoulder scoring system that combines the points of view of physicians and patients and is easily understood for worldwide applicability.Six steps were followed to develop the scale: (1) investigation, identification...