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Glucose tolerance status is a better predictor of diabetes and cardiovascular outcomes than metabolic syndrome : a prospective cohort study

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Glucose tolerance status is a better predictor of diabetes and cardiovascular outcomes than metabolic syndrome : a prospective cohort study

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Título Glucose tolerance status is a better predictor of diabetes and cardiovascular outcomes than metabolic syndrome : a prospective cohort study
Autor Souza, Camila Furtado de
Dalzochio, Mériane Boeira
Oliveira, Francisco Jorge Arsego Quadros de
Gross, Jorge Luiz
Leitão, Cristiane Bauermann
Abstract Backround: To evaluate the importance of oral glucose tolerance test (OGTT) in predicting diabetes and cardiovascular disease in patients with and without Metabolic Syndrome from a population treated in a primary care unit. Research design and methods: A prospective cohort study was conducted with subjects regularly attending the primary care unit of Hospital de Clínicas de Porto Alegre. Participants underwent a 75 g OGTT. Metabolic syndrome definition was based on the criteria of IDF/AHA/NHLBI-2010. Results: Participants mean age was 61 ± 12 years (males: 38%; whites: 67%). Of the 148 subjects included, 127 (86%) were followed for 36 ± 14 months, 21 (14%) were lost. Subjects were classified into four groups based on baseline OGTT: 29% normal (n = 43), 28% impaired fasting glucose (IFG; n = 42), 26% impaired glucose tolerance (IGT; n = 38), and 17% diabetes (n = 25). Metabolic syndrome prevalence was lower in normal group (28%), intermediate in IFG (62%) and IGT (65%) groups, and higher among subjects with diabetes (92%; P <0.001). Incidence of diabetes increased along with the stages of glucose metabolism disturbance (normal: 0%, IFG: 16%, IGT: 28%; P = 0.004). No patient with normal OGTT developed diabetes, regardless metabolic syndrome presence. Diabetes at baseline was the major determinant of cardiovascular disease occurrence (normal: 0%, IFG: 4%, IGT: 0%, diabetes: 24%; P = 0.001). In Cox-regression analysis, only the 2 h OGTT results were associated with diabetes (OR = 1.03; 95%CI 1.01–1.06; P <0.001) and cardiovascular disease development (OR = 1.013; 95%CI 1.002–1.025; P = 0.024). Conclusions: In this sample of subjects undergoing diabetes screening, the OGTT predicted diabetes and cardiovascular disease more effectively than the metabolic syndrome status.
Contido em Diabetology & Metabolic Syndrome. São Paulo. Vol. 4, n. 25 (8 Jun. 2012), 7 p.
Assunto Diabetes mellitus tipo 2
Doenças cardiovasculares
Glucose
Síndrome X metabólica
Teste de tolerância à glucose
Valor preditivo dos testes
[en] Cardiovascular disease
[en] Impaired fasting glucose
[en] Impaired glucose tolerance
[en] Metabolic syndrome
[en] Type 2 diabetes
Origem Nacional
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/110030
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