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    Incidence of and Case Fatality Following Acute Myocardial Infarction in Aboriginal and Non-Aboriginal Western Australians (2000-2004): A Linked Data Study

    Access Status
    Fulltext not available
    Authors
    Katzenellenbogen, Judith
    Sanfilippo, F.
    Hobbs, M.
    Briffa, T.
    Ridout, S.
    Knuiman, M.
    Dimer, L.
    Taylor, Kate
    Thompson, Sandra
    Date
    2010
    Type
    Journal Article
    
    Metadata
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    Citation
    Katzenellenbogen, Judith M. and Sanfilippo, Frank M. and Hobbs, Michael S.T. and Briffa, Tom G. and Ridout, Steve C. and Knuiman, Matthew W. and Dimer, Lyn and Taylor, Kate P. and Thompson, Sandra C. 2010. Incidence of and Case Fatality Following Acute Myocardial Infarction in Aboriginal and Non-Aboriginal Western Australians (2000-2004): A Linked Data Study. Heart, Lung and Circulation. 19 (12): pp. 717-725.
    Source Title
    Heart, Lung and Circulation
    DOI
    10.1016/j.hlc.2010.08.009
    ISSN
    1443-9506
    School
    Centre for International Health (Curtin Research Centre)
    URI
    http://hdl.handle.net/20.500.11937/33437
    Collection
    • Curtin Research Publications
    Abstract

    Background. Despite Coronary Heart Disease exacting a heavy toll among Aboriginal Australians, accurate estimates of its epidemiology are limited. This study compared the incidence of acute myocardial infarction (AMI) and 28-day case fatality (CF) among Aboriginal and non-Aboriginal Western Australians aged 25–74 years from 2000–2004. Methods. Incident (AMI hospital admission-free for 15 years) AMI events and 28-day CF were estimated using person-based linked hospital and mortality data. Age-standardised incidence rates and case fatality percentages were calculated by Aboriginality and sex.Results. Of 740 Aboriginal and 6933 non-Aboriginal incident events, 208 and 2352 died within 28 days, respectively. The Aboriginal age-specific incidence rates were 27 (males) and 35 (females) times higher than non-Aboriginal rates in the 25–29 year age group, decreasing to 2–3 at 70–74 years. The male:female age-standardised incidence rate ratio was 2.2 in Aboriginal people 25–54 years compared with 4.5 in non-Aboriginal people. Aboriginal age-standardised CF percentages were 1.4 (males) and 1.1 (females) times higher at age 25–54 years and 1.5 times higher at age 55–74 years. Conclusion. These data suggest higher CF and, more importantly, AMI incidence contribute to the excess ischaemic heart disease mortality in Aboriginal Western Australians. The poorer cardiovascular health in Aboriginal women, particularly in younger age groups, should be investigated.

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