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  1. Impact of family history on the risk of breast cancer among the Japanese.

    Article - En anglais

    To assess the impact of family history on the risk of developing breast cancer, a case-referent study was conducted using data from the Hospital-based Epidemiologic Research Program at Aichi Cancer Center (HERPACC), Japan.

    In total, 1,551 breast cancer cases were included and 28,450 women, confirmed as free of cancer, were recruited as the reference group.

    The odds ratios (ORs) and their 95% confidence intervals (95% CIs) were estimated by using an unconditional logistic regression model.

    Stratification by age at diagnosis was done to evaluate the impact of family history on early (<40 years of age) vs. later (=40 years of age) onset.

    New findings obtained from the present study were as follows. 1) For women having a family member with ovarian cancer, the OR for breast cancer diagnosed under age 40 was 5.04 (95% CI : 1.48-17.1). 2) The effect of family history on the risk of breast cancer was greater when a sister (s) was (were) positive (OR=3.51) than when the mother was positive (OR=1.47). 3) The estimated proportional ratio (PR) for breast cancer was 2.63 (95% CI : 2.05-3.38) among sisters excluding probands, while PR for cancers other than breast cancer was 1.09 (95% CI : 0.94-1.27).

    This result suggested that a family history of breast cancer, especially among sisters, elevated the risk of developing breast cancer. (...)

    Mots-clés Pascal : Tumeur maligne, Glande mammaire, Facteur risque, Histoire familiale, Modèle régression, Régression logistique, Analyse statistique, Age, Epidémiologie, Japon, Asie, Homme, Glande mammaire pathologie

    Mots-clés Pascal anglais : Malignant tumor, Mammary gland, Risk factor, Family story, Regression model, Logistic regression, Statistical analysis, Age, Epidemiology, Japan, Asia, Human, Mammary gland diseases

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

    Cote : 98-0084979

    Code Inist : 002B20E02. Création : 14/05/1998.