Fig. 2. GFR versus age. The black curve represents the median eGFR based on the EKFC equation, and the red curves define the reference interval.
Abbreviations: GFR, glomerular filtration rate; eGFR, estimated GFR; EKFC, European Kidney Function Consortium.

Ann Lab Med 2024;44:135~143 https://doi.org/10.3343/alm.2023.0237