Performance characteristics of the new definition of diabetes: The insulin resistance atherosclerosis study

Carlos Lorenzo, Steven M. Haffner

Research output: Contribution to journalArticlepeer-review

37 Scopus citations

Abstract

OBJECTIVE - A1C≥6.5% has been recently proposed as the defining criterion for diabetes. However, performance characteristics of this definition have not been described. RESEARCH DESIGN AND METHODS - In the Insulin Resistance Atherosclerosis Study, we compared new to previous definitions of diabetes: 1999 World Health Organization (DM1999WHO) and 2003 American Diabetes Association based on fasting glucose alone (DMFPG126). RESULTS - Participants with A1C≥6.5%,DM1999WHO, and DMFPG126 were 44 (5.2%), 132 (15.4%), and 61 (7.1%), respectively. In individuals with DM1999WHO, mean, median, and interquartile range of A1C were 6.3, 5.9, and 5.5- 6.6%, respectively; in individuals with DMFPG126 , mean, median, and interquartile range of A1C were 7.0, 6.6, and 6.0 -7.1%. CONCLUSIONS - A1C ≥6.5% identifies fewer individuals than DM 1999WHO or DMFPG126 . Studies are needed to determine that A1C ≥6.5% compromises neither blood pressure and lipid management in early diabetes nor the implementation of lifestyle interventions for diabetes prevention.

Original languageEnglish (US)
Pages (from-to)335-337
Number of pages3
JournalDiabetes care
Volume33
Issue number2
DOIs
StatePublished - Feb 2010

ASJC Scopus subject areas

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism
  • Advanced and Specialized Nursing

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