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  1. Tracking of glycated hemoglobin in the original cohort of the Framingham Heart Study.

    Article - En anglais

    Glycated hemoglobin measures average blood glucose over the preceding 2 to 3 months.

    The authors examined the tracking of the major glycated hemoglobin, hemoglobin A1c (HbA1c), over a period of 4 to 6 years.

    Two HbA1c measurements were obtained between 1986 and 1993 from 639 elderly, presumptively nondiabetic members of the original cohort of the Framingham Heart Study, Framingham, Massachusetts.

    Mean ± standard deviation (SD) baseline and follow-up HbA1c were 5.43% ± 0.7 and 5.71% ± 0.9, respectively.

    Intraclass correlation of 0.59 between baseline and follow-up measurements indicated good reliability of a single HbA1c measurement.

    Ninety-one percent of follow-up measurements were within ± 20% of baseline value ; HbA1c values tended to move 15% closer to the baseline mean over time.

    There was a modest tendency for HbA1c values to increase with time ; the mean difference between measurements was 0.28% ± 0.7 SD (p<0.0001).

    Change in HbA1c was positively associated with age and body mass index at baseline examination, and negatively associated with cigarette smoking, even after controlling for age and body mass index.

    These effects were very small, however.

    We conclude that glycated hemoglobin reliably categorizes the glucose control of nondiabetic subjects over a period of 4 to 6 years, confirming its value as an epidemiological measure.

    Mots-clés Pascal : Métabolisme, Glucose, Sang, Hémoglobine A1c, Diabète, Epidémiologie, Homme, Etude cohorte, Endocrinopathie

    Mots-clés Pascal anglais : Metabolism, Glucose, Blood, Hemoglobin A1c, Diabetes mellitus, Epidemiology, Human, Cohort study, Endocrinopathy

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

    Cote : 96-0420693

    Code Inist : 002B21E01A. Création : 10/04/1997.