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  1. Increase in admission threshold explains stable asthma hospitalization rates.

    Article - En anglais

    Background

    Asthma morbidity and mortality has increased substantially in recent years, but asthma hospitalization rates among many geographic and sociodemographic groups have remained stable.

    Observations on asthma hospitalization rates and severity of acute episodes might provide valuable insight into the functioning of the health care system during this period of health care reform.

    Objective

    To analyze changes between 1991 and 1995 in childhood asthma hospitalization rates and severity of acute episodes.

    Design and Methods

    All 29329 hospitalizations, including 2028 for asthma, for the 198 893 children (<19 years of age) in Monroe County (Rochester), New York, were studied during this 5-year period.

    Severity was determined by hospital record review on a 22% random sample.

    Using the worst oxygen saturation (Sao2) during the first 24 hours of hospitalization as the primary index of severity, episodes were categorized as mild (0 to >=95), moderate (90 to 94), or severe (<90).

    Results

    Hospitalization rates are expressed as hospitalizations per 1000 child-years.

    The overall asthma hospitalization rate was 2.04 (95% confidence interval, 1.95-2.13).

    The overall annual asthma hospitalization rate remained relatively stable from 1991 (1.90) to 1995 (2.31), whereas the hospitalization rates for severe asthma rose 270% - from 0.57 to 1.55-during this period.

    Simultaneously, the hospitalization rates for mild asthma decreased from 0.26 to 0.12. (...)

    Mots-clés Pascal : Asthme, Hospitalisation, Taux, Indice gravité, Pronostic, Epidémiologie, Evolution, Enfant, Homme, Etats Unis, Amérique du Nord, Amérique, Appareil respiratoire pathologie, Bronchopneumopathie obstructive

    Mots-clés Pascal anglais : Asthma, Hospitalization, Rate, Severity score, Prognosis, Epidemiology, Evolution, Child, Human, United States, North America, America, Respiratory disease, Obstructive pulmonary disease

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

    Cote : 99-0494726

    Code Inist : 002B11B. Création : 22/03/2000.