Detection of undiagnosed diabetes and other hyperglycemia states: The atherosclerosis risk in communities study

Maria Ines Schmidt, Bruce B. Duncan, Alvaro Vigo, James Pankow, Christie M. Ballantyne, David Couper, Frederick Brancati, Aaron R. Folsom

Research output: Contribution to journalArticlepeer-review

37 Scopus citations

Abstract

OBJECTIVE - To evaluate screening strategies based on fasting plasma glucose (FPG), clinical information, and the oral glucose tolerance test (OGTT) for detection of diabetes or other hyperglycemic states - impaired fasting glucose (IFG) and impaired glucose tolerance-meriting clinical intervention. RESEARCH DESIGN AND METHODS - We studied 8,286 African-American and white men and women without known diabetes, aged 53-75 years, who received an OGTT during the fourth exam of the Atherosclerosis Risk in Communities Study. Using a split sample technique, we estimated the diagnostic properties of various clinical detection rules derived from logistic regression modeling. Screening strategies utilizing FPG, these detection rules, and/or the OGTT were then compared in terms of both the fraction of hyperglycemia cases detected and the sample fraction receiving different screening tests and identified as screen positive. RESULTS - Screening based on the IFG cut point (≥6.1 mmol/l), followed by a clinical detection rule for those below this value, detected 86.3%)% of diabetic case subjects and 66.0% of all hyperglycemia cases, identifying 42% of the sample as screen positive. Applying an OGTT for those positive by the rule provides diagnostic labeling and reduces the fraction that is screen positive to 29%. Another strategy, to apply an OGTT to those with an FPG cut point between 5.6 and 6.1 mmol/l, also identifies 29% of the sample as screen positive, although it detects slightly fewer hyperglycemia cases. CONCLUSIONS - Screening strategies based on FPG, complemented by clinical detection rules and/or an OGTT, are effective and practical in the detection of hyperglycemic states meriting clinical intervention.

Original languageEnglish (US)
Pages (from-to)1338-1343
Number of pages6
JournalDiabetes care
Volume26
Issue number5
DOIs
StatePublished - May 1 2003

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