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  1. Childhood cancer incidence in Zaragoza and Navarre (Spain) : 1973-1987.

    Article - En anglais

    Patterns and trends in childhood cancer incidence for Navarre and Zaragoza registries were studied over the 15-year period, 1973-1987.

    Overall cancer rates and rates for 10 specific types of cancer were analysed using a log-linear Poisson model or, alternatively, a gamma-Poisson model whenever overdispersion was present, with age, sex, registry and period being used as predictor variables.

    Childhood cancer was 30% more frequent in boys than in girls, and, except for lymphomas and bone tumours, incidence decreased remarkably with age.

    Adjusted rates were high in comparison with other European countries, particularly in the case of non-Hodgkin's lymphomas.

    Cancer rates proved somewhat higher in Navarre, but this difference attained statistical significance solely in the case of central nervous system tumours (rate ratio=1.75 ; 95% confidence interval 1.21-2.54).

    A significant rise in overall incidence was observed (11% 5-yearly increase) due mainly to the upward trend in central nervous system tumours.

    While the rise in these tumours coincides with the period which witnessed the spread of computerised tomography in Spain, the trend nevertheless held steady over the last 5-year period, when access to this diagnostic technique had already become generalised nationwide.

    Mots-clés Pascal : Tumeur maligne, Hémopathie maligne, Incidence, Epidémiologie, Etude statistique, Enfant, Homme, Espagne, Europe

    Mots-clés Pascal anglais : Malignant tumor, Malignant hemopathy, Incidence, Epidemiology, Statistical study, Child, Human, Spain, Europe

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

    Cote : 97-0310793

    Code Inist : 002B30A01A2. Création : 15/07/1997.