Impact of Applying the CKD-EPI 2021 Formula Compared to CKD-EPI 2009 for the Calculation of Estimated Glomerular Filtration Rate in a Spanish Tertiary Hospital
Background: Throughout the years, the stage of chronic kidney disease (CKD) has been classifed according to the Kidney Disease: Improving Global Outcomes (KDIGO) guideline, using equations to calculate the estimated glomerular fltration rate (eGFR). The 2009 CKD-EPI equation is the one currently use...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
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2024-10-01
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| Series: | Turkish Journal of Nephrology |
| Online Access: | https://turkjnephrol.org/en/impact-of-applying-the-ckd-epi-2021-formula-compared-to-ckd-epi-2009-for-the-calculation-of-estimated-glomerular-filtration-rate-in-a-spanish-tertiary-hospital-137212 |
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| Summary: | Background: Throughout the years, the stage of chronic kidney disease (CKD) has been classifed according to the Kidney Disease: Improving Global Outcomes (KDIGO) guideline, using equations to calculate the estimated glomerular fltration rate (eGFR). The 2009 CKD-EPI equation is the one currently used, but there is a new version from 2021 that eliminates the race correction factor. In this study, we will compare both equations.
Methods: Sex, age, and serum creatinine data from 64 819 patients were gathered. Glomerular fltration (GF) was estimated using both CKD-EPI equations based on sex and serum creatinine (sCr) value. Concordance was analyzed using the kappa index and Bland–Altman graphical method.
Results: The mean eGFR for males with sCr > 0.90 mg/dL was 58 ± 22 according to the 2009 CKD-EPI and 61 ± 24 according to the 2021 CKD-EPI; for males with sCr ≤0.90 mg/dL, the eGFR was 94 ± 11 according to 2009 CKD-EPI and 98 ± 9 for the 2021 equation. For females with sCr values of >0.70 mg/dL, the mean eGFR was 60 ± 22 for the 2009 CKD-EPI and 64 ± 23 for the 2021 CKD-EPI. For females with sCr ≤0.70 mg/dL, the eGFR was 95 ± 11 for the 2009 CKD-EPI and 99 ± 10 for the 2021 CKD-EPI. The percentages of reclassifed patients were 16%, 23%, 17%, and 22% for males with sCr >0.90, sCr ≤0.90, and females with sCr > 0.70 and ≤0.70 mg/dL, respectively.
Conclusion: We found that the 2021 CKD-EPI equation, applied to our population, signifcantly increases the eGFR values, which causes a meaningful number of people to undergo a reclassifcation to a less severe of CKD. |
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| ISSN: | 2667-4440 |