With growing attention being paid to quality and cost effectiveness in healthcare, outcome evaluations are becoming increasingly important. This determination can be especially difficult in reverse shoulder arthroplasty (RSA) given the complex pathology and extensive disabilities in this patient population. Several different scoring systems have been developed and validated for use in various shoulder pathologies. The purpose of this study was to assess the use three outcome scores in a population of patients undergoing RSA. We aim to demonstrate the validity of three outcome scores in patients undergoing RSA, and to determine if one score or a combination of scores is superior to others. Using a database of patients treated with RSA, we assessed preoperative and postoperative Constant Scores, American Shoulder and Elbow Surgeons (ASES) scores, and subjective shoulder values (SSV) in 148 shoulders. The outcomes at each scoring period were described and the scores were compared to one another as well as to active range of motion using linear regression modeling.Purpose
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