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  1. Fasting blood glucose in determining the prevalence of diabetes in a large, homogeneous population of Caucasian middle-aged women.

    Article - En anglais

    Objectives

    To determine the usefulness of a single, fasting blood glucose (FBG) value in measuring the prevalence of diabetes mellitus in a large, homogeneous population.

    Design

    Fasting blood glucose and 2-h oral glucose tolerance test (OGTT) values were determined.

    Based on the results of the OGTT, the sensitivity and specificity of different cut-off levels of FBG for the diagnosis of diabetes were assessed.

    ROC (receiver operating characteristic) analysis was performed on the data.

    Setting

    A health screening unit at the University Hospital in Malmö, Sweden.

    Subjects

    A total of 1843 Caucasian women without known diabetes aged 55-57 years.

    Results

    The prevalence of previously undiagnosed diabetes was 3.9% and the prevalence of impaired glucose tolerance (IGT) was 27.9% using the WHO cut-off values for 2-h blood glucose values after an OGTT.

    With an FBG cut-off value of 6.7 mmol L-1, the sensitivity of a single FBG value was 36.6%. Reducing the cut-off value to 6.0 mmol L-1 increased the sensitivity to 53.4%. At a cut-off level of 4.8 mmol L-1, the sensitivity reached the high value of 85.9%, but the specificity was only 45% and the predictive value of a positive test as low as 5.9%. Conclusions.

    This study has shown that in a large and homogeneous Caucasian population of women aged 55-57 years with a high prevalence of IGT, a single FBG value is not useful as a screening tool for diabetes mellitus.

    Mots-clés Pascal : Diabète, Détermination, Glycémie, Prévalence, Sensibilité, Population, Epidémiologie, Femelle, Caucasoïde, Endocrinopathie

    Mots-clés Pascal anglais : Diabetes mellitus, Determination, Glycemia, Prevalence, Sensitivity, Population, Epidemiology, Female, Caucasoid, Endocrinopathy

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 95-0412322

    Code Inist : 002B30A01A2. Création : 01/03/1996.