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  1. Fulltext. Variability in meta-analytic results concerning the value of cholesterol reduction in coronary heart disease : A meta-meta-analysis.

    Article - En anglais

    Fulltext.

    Despite official support for the efficacy of cholesterol reduction, considerable controversy exists, and meta-analyses of this topic have produced conflicting results.

    The authors assessed the variability of meta-analyses, evaluating the cardiovascular value of cholesterol reduction while attempting to explain the variability.

    Meta-analyses were identified by electronic search and citation tracking.

    Included were those conducted prior to 1995 that dealt with cholesterol reduction and total mortality, cardiovascular mortality, or nonfatal cardiovascular disease.

    In addition to extracting odds ratios for total mortality, cardiovascular mortality, and nonfatal cardiovascular disease, the authors encoded methodological variables, publication variables, and data concerning investigators'backgrounds.

    Twenty-three meta-analyses were reviewed, and 15 concluded that cholesterol reduction was beneficial.

    Summary odds ratios for total mortality were heterogeneous, generally failing to support the value of cholesterol reduction.

    Odds ratios depended on inclusion criteria and investigator variables.

    Odds ratios for cardiovascular mortality and for nonfatal cardiovascular disease were more homogeneous and supported the value of cholesterol reduction.

    Methodologically better meta-analyses tended to report more beneficial odds ratios. (...)

    Mots-clés Pascal : Cardiopathie coronaire, Homme, Facteur risque, Hypercholestérolémie, Variabilité, Evaluation, Métaanalyse, Résultat, Prévention, Etats Unis, Amérique du Nord, Amérique, Lipide, Appareil circulatoire pathologie, Métabolisme pathologie, Dyslipémie, Hyperlipoprotéinémie

    Mots-clés Pascal anglais : Coronary heart disease, Human, Risk factor, Hypercholesterolemia, Variability, Evaluation, Metaanalysis, Result, Prevention, United States, North America, America, Lipids, Cardiovascular disease, Metabolic diseases, Dyslipemia, Hyperlipoproteinemia

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

    Cote : 99-0168050

    Code Inist : 002B12A03. Création : 16/11/1999.