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Racial Disparities in Total Knee and Hip Arthroplasty in a Medically Underserved Community with a Diverse Population

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Abstract

Introduction

Previous studies have demonstrated lower total joint arthroplasty utilization rates and worse postoperative outcomes among non-White patients. Our study examined whether these disparities exist in the setting of a diverse population.

Methods

This retrospective study included patients with a self-reported race who underwent total knee (TKA) or hip (THA) arthroplasty procedures in a racially diverse county. Patients who did not identify as White or Hispanic/Latino were excluded from the study due to small sample sizes. Demographic, intra and postoperative outcome differences were calculated. A multivariate logistic regression was developed to examine the association between patients’ race and undesired postoperative outcomes.

Results

Five hundred fifty-five patients were included in our study with 490 identifying as non-Hispanic/Latino White (88.8%) and 65 as Hispanic/Latino (11.2%). Hispanic/Latino-identifying patients were significantly younger (61.9 ± 12.79 versus 68.58 ± 9.00 years), had lower Charlson Comorbidity Index scores, and were more likely to use non-Medicare/Medicaid insurance. We observed no differences between our cohorts in postoperative adverse events, emergency department visits, and hospital readmissions. Patients’ self-identified race was not correlated with undesired postoperative outcomes.

Conclusions

Although Hispanic/Latino-identifying patients constitute 50.2% of the county population of our study cohort, they accounted for only 11.2% of the patients in our study. This is noteworthy considering the lack of evidence suggesting a decreased prevalence of osteoarthritis among individuals of different races and ethnicities. Further, the demographic differences we observed suggest an exclusive Hispanic/Latino patient population utilizing TKA or THA procedures. Future studies controlling for risk factors and less invasive treatment options may explain these disparities.

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Data Availability

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Authors and Affiliations

  1. Washington State University, Elson S. Floyd College of Medicine, Spokane, WA, USA

    Gabriel Alemayehu, Brett Jones, Katherine Slack & Craig McAllister

  2. Department of Orthopaedics and Rehabilitation, Yale New Haven Hospital, New Haven, CT, USA

    Sahir S. Jabbouri

  3. Orthopedics Northwest, Yakima, WA, USA

    Robert Greene & Richard Roux

Authors
  1. Gabriel Alemayehu
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  2. Brett Jones
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  5. Robert Greene
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  7. Craig McAllister
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All authors read and approved the final manuscript.

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Correspondence to Gabriel Alemayehu.

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Alemayehu, G., Jones, B., Slack, K. et al. Racial Disparities in Total Knee and Hip Arthroplasty in a Medically Underserved Community with a Diverse Population. J. Racial and Ethnic Health Disparities (2023). https://doi.org/10.1007/s40615-023-01891-0

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  • DOI: https://doi.org/10.1007/s40615-023-01891-0

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