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  1. Associations between ambient particulate sulfate and admissions to Ontario Hospitals for cardiac and respiratory diseases.

    Article - En anglais

    The association of daily cardiac and respiratory admissions to 168 acute care hospitals in Ontario, Canada, with daily levels of particulate sulfates was examined over the 6-year period 1983-1988.

    Sulfate levels were recorded at nine monitoring stations in regions of southern and central Ontario spanned by three monitoring networks.

    A 13-mug/m3 increase in sulfates recorded on the day prior to admission (the 95th percentile) was associated with a 3.7% (p<0.0001) increase in respiratory admissions and a 2.8% (p<0.0001) increase in cardiac admissions.

    Increases were observed for all age groups examined.

    Admissions for cardiac diseases increased 2.5% for those under 65 years and 3.5% for those 65 years and older.

    After adjusting for ambient temperature and ozone, similar increases in respiratory admissions were observed in the period from April to September (3.2%) and in the period from October to March (2.8%). A 3.2% increase was observed for cardiac admissions in the period from April to September, and a 3.4% increase was observed in the period from October to March after adjusting for ambient temperature and ozone.

    Am J Epidemiol 1995 ; 142 : 15-22.

    Mots-clés Pascal : Sulfate, Pollution air, Toxicité, Appareil circulatoire pathologie, Appareil respiratoire pathologie, Homme, Epidémiologie, Admission hôpital, Ontario, Canada, Amérique du Nord, Amérique

    Mots-clés Pascal anglais : Sulfates, Air pollution, Toxicity, Cardiovascular disease, Respiratory disease, Human, Epidemiology, Hospital admission, Ontario, Canada, North America, America

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

    Cote : 95-0438744

    Code Inist : 002B03M02. Création : 01/03/1996.