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  1. A modified method for the epidemiological analysis of registry data on infants with multiple malformations.

    Article - En anglais

    Background Infants with multiple malformations are important in birth defect epidemiology and malformation monitoring because human teratogens have often caused complex malformations.

    Various methods for the analysis of multimalformed infants have been tried.

    Methods By using data from four large registries of congenital malformations, 5256 infants were identified with two or more among 73 selected malformations.

    Pairwise associations between malformations were detected by multiple logistic regression analyses, and putative confounders (programme, maternal age, autopsy, etc.) were controlled for.

    For each significant pairwise association, further analyses were performed in order to find associations with a possible third malformation.

    Results The importance of controlling for several confounders was demonstrated.

    Several well-known associations were found, which supports the technique used.

    The interpretation of three-way associations was discussed.

    Results from the present study were compared with those obtained using some other methods.

    Conclusions Different confounders can cause biased associations.

    The method presented in the paper takes this into consideration and is therefore more likely than previously used techniques to give unbiased information on the clustering of different malformations among multimalformed infants.

    Mots-clés Pascal : Malformation complexe, Enfant, Homme, Méthodologie, Suède, Europe, Epidémiologie, Analyse donnée, Erreur, Etude multicentrique, International, Registre

    Mots-clés Pascal anglais : Complex malformation, Child, Human, Methodology, Sweden, Europe, Epidemiology, Data analysis, Error, Multicenter study, International, Register

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

    Cote : 99-0425938

    Code Inist : 002B30A01A1. Création : 22/03/2000.