Cited by 58Chronic Kidney Disease and DiabetesRace, Genetics, and SocietyDialysis and Renal Disease Management

Evaluating the Impact and Rationale of Race-Specific Estimations of Kidney Function: Estimations from U.S. NHANES, 2015-2018

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Tsai, Jennifer W., Cerdeña, Jessica P., Goedel, William C., Asch, William S., Grubbs, Vanessa, Mendu, Mallika L., Kaufman, Jay S.·2021·eClinicalMedicine

Abstract

BACKGROUND: guide kidney disease management. Racialized adjustment of eGFR in Black Americans may thereby affect their clinical care. In this study, we analyze and extrapolate national data to assess potential impacts of the eGFR race adjustment on qualification for kidney disease diagnosis, nephrologist referral, and transplantation listing. METHODS: Using population-representative cross-sectional data from the United States National Health and Nutrition Examination Survey (NHANES) from 2015-2018, eGFR values for Black Americans were calculated using the Modification of Diet in Renal Disease (MDRD) equation with and without the 1.21 race-specific coefficient using cohort data on age, sex, race, and serum creatinine. FINDINGS: Without the MDRD eGFR race adjustment, 3.3 million (10.4%) more Black Americans would reach a diagnostic threshold for Stage 3 Chronic Kidney Disease, 300,000 (0.7%) more would qualify for beneficial nephrologist referral, and 31,000 (0.1%) more would become eligible for transplant evaluation and waitlist inclusion. INTERPRETATION: These findings suggest eGFR race coefficients may contribute to racial differences in the management of kidney. We provide recommendations for addressing this issue at institutional and individual levels. FUNDING: No external funding was received for this study.

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Authors
Tsai, J. W., Cerdeña, J. P., Goedel, W. C., Asch, W. S., Grubbs, V., Mendu, M. L., & Kaufman, J. S.
Affiliations
  • Yale University (US)
  • Brown University (US)
  • University of California, San Francisco (US)
  • Brigham and Women's Hospital (US)
  • McGill University (CA)
Corresponding author
Tsai, Jennifer W.
Venue
eClinicalMedicine
Publisher
Elsevier BV
Published
2021-12
Volume
42
Pages
101197
ISSN
2589-5370 (ISSN-L)
OpenAlex
W3217072506
Cited by
58
References
43
Citations by year
2026: 6 · 2025: 4 · 2024: 22 · 2023: 13 · 2022: 13
FWCI
8.22
Type
journal article
Language
en
Open access
Locations
  • EClinicalMedicine (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Institutes of Health (UL1TR001863)
  • National Center for Advancing Translational Sciences
Topics
  • Health Sciences › Medicine › Nephrology › Chronic Kidney Disease and Diabetes
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Race, Genetics, and Society
  • Health Sciences › Medicine › Nephrology › Dialysis and Renal Disease Management
Keywords
estimated glomerular filtration rate, African Americans, chronic kidney disease diagnosis, nephrology referral, MDRD equation, serum creatinine, NHANES

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