chronic kidney disease epidemiology (CKD-EPI) collaboration equation

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Introduction

Equation used to estimate GFR

Principle

  • complicated, ambiguous description[1]
  • uses minimum & maximum serum creatinine raised to [exp 1.209]
  • version that uses both minimum & maximum serum creatinine & minimum & maximum serum cystatin-C all raised to a different power
  • uses age
  • uses fudge factors for gender (female) & race (black)

Notes

  • superior to MDRD equation when GFR > 60 mL/min/1.73 m2
  • superior to MDRD equation in elderly

Components

References

  1. Jump up to: 1.0 1.1 Medical Knowledge Self Assessment Program (MKSAP) 17, 18. American College of Physicians, Philadelphia 2015, 2018
  2. Inker LA, Eckfeldt J, Levey AS et al Expressing the CKD-EPI (Chronic Kidney Disease Epidemiology Collaboration) cystatin C equations for estimating GFR with standardized serum cystatin C values. Am J Kidney Dis. 2011 Oct;58(4):682-4. PMID: https://www.ncbi.nlm.nih.gov/pubmed/21855190 Free PMC Article
  3. Levey AS, Fan L, Eckfeldt JH, Inker LA. Cystatin C for glomerular filtration rate estimation: coming of age. Clin Chem. 2014 Jul;60(7):916-9. PMID: https://www.ncbi.nlm.nih.gov/pubmed/24871681 Free Article