Use of GHb (HbA1c) in screening for undiagnosed diabetes in the U.S. population

Use of GHb (HbA1c) in screening for undiagnosed diabetes in the U.S. population. C L Rohlfing , R R Little , H M Wiedmeyer , J D England , R Madsen , M I Harris , K M Flegal , M S Eberhardt and D E Goldstein Department of Child Health, University of Missouri School of Medicine, Columbia 65203, USA. rohlfingc@health.missouri.edu Abstract OBJECTIVE: To evaluate the use of GHb as a screening test for undiagnosed diabetes (fasting plasma glucose > or =7.0 mmol/l) in a representative sample of the U.S. population. RESEARCH DESIGN AND METHODS: The Third National Health and Nutrition Examination Survey included national samples of non-Hispanic whites, non-Hispanic blacks, and Mexican Americans aged > or =20 years. Of these subjects, 7,832 participated in a morning examination session, of which 1,273 were excluded because of a previous diagnosis of diabetes, missing data, or fasting time of