Decreased GFR estimated by MDRD or Cockcroft-Gault equation predicts incident CVD: The strong heart study

Nawar M. Shara, Helaine E. Resnick, Li Lu, Jiaqiong Xu, Suma Vupputuri, Barbara V. Howard, Jason G. Umans

Research output: Contribution to journalArticlepeer-review

29 Scopus citations


Background: Kidney function, expressed as glomerular filtration rate (GFR), is commonly estimated from serum creatinine (Scr) and, when decreased, may serve as a nonclassical risk factor for incident cardiovascular disease (CVD). The ability of estimated GFR (eGFR) to predict CVD events during 5-10 years of follow-up is assessed using data from the Strong Heart Study (SHS), a large cohort with a high prevalence of diabetes. Methods: eGFRs were calculated with the abbreviated Modification of Diet in Renal Disease study (MDRD) and the Cockcroft-Gault (CG) equations. These estimates were compared in participants with normal and abnormal Scr. The association between eGFR and incident CVD was assessed. Results: More subjects were labeled as having low eGFR (<60 ml/min per 1.73 m2) by the MDRD or CG equation, than by Scr alone. When Scr was in the normal range, both equations labeled similar numbers of participants as having low eGFRs, although concordance between the equations was poor. However, when Scr was elevated, the MDRD equation labeled more subjects as having low eGFR. Persons with low eGFR had increased risk of CVD. Conclusions: The MDRD and CG equations labeled more participants as having decreased GFR than did Scr alone. Decreased eGFR was predictive of CVD in this American Indian population with a high prevalence of obesity and type 2 diabetes mellitus.

Original languageEnglish (US)
Pages (from-to)373-380
Number of pages8
JournalJournal of Nephrology
Issue number3
StatePublished - 2009


  • Cockcroft-Gault
  • Concordance
  • Cox proportional hazard model
  • Glomerular filtration rate
  • Kidney disease
  • MDRD
  • Serum creatinine

ASJC Scopus subject areas

  • Nephrology


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