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- Title
Fasting Insulin Level Underestimates Risk of Non-lnsulin-dependent Diabetes Mellitus Due to Confounding by Insulin Secretion.
- Authors
Boyko, Edward J.; Leonetti, Donna L.; Bergstrom, Richard W.; Fujimoto, Wilfred Y.
- Abstract
Fasting insulin has been used as a surrogate measure of insulin sensitivity in studies of non-insulin-dependent diabetes mellitus (NIDDM) risk, but the fasting insulin-NIDDM association may be confounded by insulin secretion, which correlates negatively with NIDDM risk and positively with fasting insulin level. In a prospective 5-year study of 137 nondiabetic Japanese-American men in King County, Washington State, higher fasting insulin was not strongly related to NIDDM (odds ratio (OR) = 1.37, 95% confidence interval (Cl 0.80–2.34), but this odds ratio increased substantially after adjustment for insulin secretion (OR = 2.92, 95% Cl 1.41–6.06). Research on NIDDM risk in relation to fasting insulin may yield biased effect measures unless adjusted for insulin secretion. Am J Epidemiol 1997; 145: 18–23.
- Subjects
TYPE 2 diabetes; PHYSIOLOGICAL effects of insulin; DISEASE risk factors; DIABETES risk factors; EPIDEMIOLOGY
- Publication
American Journal of Epidemiology, 1997, Vol 145, Issue 1, p18
- ISSN
0002-9262
- Publication type
Article
- DOI
10.1093/oxfordjournals.aje.a009027