One of the early products of the Chronic Kidney Disease in Children (CKiD) study has been an updated equation for estimating GFR in children on the basis of demographic and laboratory parameters. This formula is comparable in form and performance to the MDRD equations for adults in clinical trials first published a decade ago.
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Lemley, K. Estimating GFR in children: Schwartz redux. Nat Rev Nephrol 5, 310–311 (2009). https://doi.org/10.1038/nrneph.2009.56
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DOI: https://doi.org/10.1038/nrneph.2009.56