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  1. Comparison of parameters to study seasonality in reproductive outcome.

    Article - En anglais

    This report compares validity, precision and convenience of three frequently used parameters used to describe seasonality in reproductive outcome : prevalence, index and ratio observed versus expected.

    Each has its advantages and disadvantages ; the choice of the parameter depends on the aim of the study.

    It is advisable to report the number of cases and referents per month, because all three parameters can be derived from this information.

    Mots-clés Pascal : Epidémiologie, Analyse statistique, Gestation pathologie, Foetus pathologie, Nouveau né pathologie, Malformation, Variation saisonnière, Méthode étude, Homme

    Mots-clés Pascal anglais : Epidemiology, Statistical analysis, Pregnancy disorders, Fetal diseases, Newborn diseases, Malformation, Seasonal variation, Investigation method, Human

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

    Cote : 95-0477100

    Code Inist : 002B30A01A1. Création : 01/03/1996.