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자료유형
학술저널
저자정보
Jeong Tae-Dong (Department of Laboratory Medicine Ewha Womans University College of Medicine Seoul Korea) Hong Jinyoung (Department of Laboratory Medicine Hallym University Chuncheon Sacred Heart Hospital Chuncheon Korea) Lee Woochang (Department of Laboratory Medicine University of Ulsan College of Medicine and Asan Medical Center Seoul Korea) Chun Sail (Department of Laboratory Medicine University of Ulsan College of Medicine and Asan Medical Center Seoul Korea) Min Won-Ki (Department of Laboratory Medicine University of Ulsan College of Medicine and Asan Medical Center Seoul Korea)
저널정보
대한진단검사의학회 Annals of Laboratory Medicine Annals of Laboratory Medicine 제43권 제3호
발행연도
2023.5
수록면
244 - 252 (9page)
DOI
10.3343/alm.2023.43.3.244

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Background: New creatinine-based estimated glomerular filtration rate (eGFR) equations, including the 2021 Chronic Kidney Disease Epidemiology Collaboration (2021 CKD-EPI) and European Kidney Function Consortium (EKFC) equations, have been introduced recently. We assessed the performance of the 2021 CKD-EPI and EKFC equations in the Korean population. Methods: We analyzed 1,654 Korean patients aged ≥18 years who underwent chromium-51-ethylenediamine tetraacetic acid GFR measurements (mGFR). Bias (eGFR–mGFR), root mean square error (RMSE), and proportion of eGFR within 30% of mGFR (P30) of the 2009 CKD-EPI, 2021 CKD-EPI, and EFKC equations were compared. The concordance rate between eGFR and mGFR categories was evaluated. Both eGFR and mGFR categories were classified into six groups: ≥90, 89–60, 59–45, 44–30, 29–15, and <15 mL/min/1.73 m2. Results: The median bias (mL/min/1.73 m2) was 1.8 for the 2009 CKD-EPI equation, 4.8 for the 2021 CKD-EPI equation, and –0.3 for the EKFC equation. The P30 and RMSE were 78.2% and 17.0 for the 2009 CKD-EPI equation, 75.6% and 17.4 for the 2021 CKD-EPI equation, and 80.0% and 16.7 for the EKFC equation, respectively. The overall GFR category concordance rate between eGFR and mGFR was 63.4% for the 2009 CKD-EPI equation, 60.5% for the 2021 CKD-EPI equation, and 61.0% for the EKFC equation. Conclusions: Among the three eGFR equations, the EKFC equation had the smallest bias and highest P30 in Koreans. The 2009 CKD-EPI equation had a lower bias than the 2021 CKD-EPI equation.

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