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Discordant age and sex-specific trends in the incidence of a first coronary heart disease event in Western Australia from 1996 to 2007

Briffa, Tom, Nedkoff, Lee, Peeters, Anna, Tonkin, Andrew, Hung, Joseph, Ridout, Stephen C. and Knuiman, Matthew 2011, Discordant age and sex-specific trends in the incidence of a first coronary heart disease event in Western Australia from 1996 to 2007, Heart, vol. 97, no. 5, pp. 400-404, doi: 10.1136/hrt.2010.210138.

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Title Discordant age and sex-specific trends in the incidence of a first coronary heart disease event in Western Australia from 1996 to 2007
Author(s) Briffa, Tom
Nedkoff, Lee
Peeters, AnnaORCID iD for Peeters, Anna orcid.org/0000-0003-4340-9132
Tonkin, Andrew
Hung, Joseph
Ridout, Stephen C.
Knuiman, Matthew
Journal name Heart
Volume number 97
Issue number 5
Start page 400
End page 404
Total pages 5
Publisher BMJ Group Publishing
Place of publication London, Eng.
Publication date 2011-03
ISSN 1468-201X
Keyword(s) Adult
Age Distribution
Aged
Aged, 80 and over
Coronary Disease
Female
Humans
Incidence
Male
Middle Aged
Retrospective Studies
Sex Distribution
Western Australia
Science & Technology
Life Sciences & Biomedicine
Cardiac & Cardiovascular Systems
Cardiovascular System & Cardiology
ACUTE MYOCARDIAL-INFARCTION
CARDIOVASCULAR-DISEASE
POPULATION TRENDS
MORTALITY
DECLINE
OBESITY
RISK
RATES
US
PREVALENCE
Summary OBJECTIVE: To determine age- and sex-specific population trends in fatal and non-fatal first coronary heart disease (CHD) events in Western Australia from 1996 to 2007. DESIGN: Longitudinal retrospective population study. SETTING: State-wide population. PATIENTS: All residents aged 35-84 years during 1996-2007 who died or were hospitalised with a principal diagnosis of acute CHD. DATA SOURCES: Person-linked file of mortality and morbidity records. MAIN OUTCOME MEASURES: Age-standardised (35-84 years) and age-specific (35-54, 55-69, 70-84 years) rates by gender for a first CHD event were calculated with a 10-year lead-in period to define first events. RESULTS: From 1996 to 2007 there were 36 631 first CHD events, including 8518 (23%) fatal cases in those aged 35-84 years. Overall, age-adjusted rates for fatal first CHD declined 5.3%/year in men (95% CI -6.1% to -4.6%) and 6.5%/year in women (95% CI -7.5% to -5.5%). However, age-specific fatal first CHD rates were neutral in both men aged 35-54 years (0.1%/year; 95% CI -1.8% to 2.1%) and women of the same age, (-1.6%/year; 95% CI -5.6% to 2.5%). Age-specific trends in non-fatal CHD rates reflected the same trends in fatal CHD events in men and women, with rates reportedly increasing in women aged 35-54 years (2.5%/year (95% CI 1.1% to 3.9%). CONCLUSION: The age-specific decline in fatal and non-fatal first CHD rates in older men and women was not observed in those aged 35-54 years. These novel findings provide evidence for a levelling in the CHD incidence rates in younger adults and puts renewed importance on primary prevention in this group.
Language eng
DOI 10.1136/hrt.2010.210138
Field of Research 111799 Public Health and Health Services not elsewhere classified
1102 Cardiovascular Medicine And Haematology
Socio Economic Objective 920499 Public Health (excl. Specific Population Health) not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2011, BMJ Publishing Group
Persistent URL http://hdl.handle.net/10536/DRO/DU:30081707

Document type: Journal Article
Collection: School of Health and Social Development
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