Which assessment of glomerular filtration rate (GFR) is most accurate in patients with diabetic nephropathy?

Updated: Oct 09, 2019
  • Author: Vecihi Batuman, MD, FASN; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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Answer

Whether cystatin C or creatinine-based calculation of GFR is the most sensitive measure for assessing early decline in renal function in patients with type 2 diabetes who have mild-to-moderate chronic kidney disease is controversial. The two methods were compared in a cohort of 448 patients with type 2 diabetes. Creatinine-based calculation was found to be more accurate than cystatin-C, which confirms the current practice in diabetes literature of reporting estimated GFR primarily by creatinine decrements and the modification of diet in renal disease (MDRD) calculation. [20]


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