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BackgroundThis study aimed to analyze national and institutional trends in shoulder arthroplasty utilization based on patient race.MethodsThe Nationwide Inpatient Sample (NIS) was employed to determine racial trends in shoulder arthroplasty utilization at a national level. An institutional database was then utilized to retrospectively identify all patients, undergoing shoulder arthroplasty within 2011-2013. Descriptive statistics were used to compare self-identified black and non-black subpopulations.ResultsThe NIS identified 256,832 primary shoulder arthroplasties within 2005-2011. Black patients constituted 3.92% (n=10,074) of cases. Utilization increased from 3.36% in 2005 to 4.49% in 2011. Locally, a total number of 1,174 primary shoulder arthroplasties were performed, the recipients of 5.96% (n=70) of which were black. Females accounted for 48/70 (68.6%) of black patients. Black patients had a higher body mass index (33.6 vs. 30.1, P<0.0001) and were younger (62.6 vs. 67.2 years, P<0.0001), compared to the non-black patients. Regarding insurance type, 1,074 patients (i.e., 65 black and 1,009 non-black) had comprehensive insurance data. Chi-square analysis of five major insurance categories, including private, Medicare, Medicaid, workers' compensation, and personal injury, indicated no difference in insurance patterns (χ2=3.658, P=0.454).ConclusionThe findings revealed significant racial disparity in shoulder arthroplasty utilization both at national and institutional levels. This disparity exists despite the similar rates of osteoarthritis in both white and black patients. Black patients in our institution had similar clinical, demographic, and socioeconomic characteristics as in our non-black patients. The obtained results highlighted the need for the expansion of black patients' access to care services related to major joint reconstruction.

Shoulder Arthroplasty Utilization Based on Race - Are Black Patients Underrepresented?