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  1. Time trends in the care-based incidence of schizophrenia.

    Article - En anglais

    Beckground.

    Several studies have suggested a declining first-admission rate for schizophrenia.

    This study examines the care-based incidence of schizophrenia in a Dutch register area.

    Method

    Data from Groningen psychiatric case register were used to compare first-admission rates for schizophrenia over 1976-90 with those of other functional psychoses, and to consider various potential biases.

    Results

    Diagnostic habits probably affected time trends in incidence rates.

    Using a broader definition of schizophrenia, no evidence was found for a decrease in the incidence of schizophrenia.

    Although first admissions to intramural services showed a (non-significant) decrease, this effect seemed to be neutralised when all mental health services were taken into account.

    Conclusions

    Care-based studies of time trends in psychiatric disorders should embrace all mental health services.

    Furthermore, unless a diagnostic classification system with univocal criteria is used, bias caused by changing diagnostic habits cannot be ruled out.

    Mots-clés Pascal : Schizophrénie, Psychose, Incidence, Epidémiologie, Pays Bas, Europe, Etude critique, Biais méthodologique, Service santé, Méthodologie, Homme

    Mots-clés Pascal anglais : Schizophrenia, Psychosis, Incidence, Epidemiology, Netherlands, Europe, Critical study, Methodological bias, Health service, Methodology, Human

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

    Cote : 96-0040646

    Code Inist : 002B18C06A. Création : 01/03/1996.