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Definition

Incidence of acute coronary events (acute myocardial infarction and unstable angina).

Indicator Summary

Numerator
Number of deaths recorded with an underlying cause of acute coronary heart disease (a) plus the number of non-fatal hospitalisations with a principal diagnosis of acute myocardial infarction or unstable angina that do not end in a transfer to another acute hospital (b). For ages 25 years and over.
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Denominator
Total population aged 25 years and over for calendar year in question.
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Computation

Rates directly age-standardised to the 2001 Australian population.

Count (a) number of deaths where ‘acute coronary heart disease’ (ICD-10 codes I20–I24) is the underlying cause of death in each calendar year (based on year of registration of death).

Count (b) number of non-fatal hospitalisations where ‘acute myocardial infarction’ (ICD-10-AM I21) or ‘unstable angina’ (ICD-10-AM I20.0) are the principal diagnosis, and …

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Disaggregation

2010 and 2011 (resupplied for revisions to the National Mortality Database), 2012 — Nationally, by:

  • age group and sex

2007, 2008, 2009, 2010, 2011, 2012 — State/Territory of usual residence

2007, 2008, 2009 (resupplied for updated Indigenous population projections), 2010 and 2011 (resupplied for updated Indigenous population projections and revisions to the National Mortality Database), 2012—Nationally (for states and territories with adequate identification in hospital and deaths data), by:

  • Indigenous status
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Calculation rules

Computation Rule
Description

Rates directly age-standardised to the 2001 Australian population.

Count (a) number of deaths where ‘acute coronary heart disease’ (ICD-10 codes I20–I24) is the underlying cause of death in each calendar year (based on year of registration of death).

Count (b) number of non-fatal hospitalisations where ‘acute myocardial infarction’ (ICD-10-AM I21) or ‘unstable angina’ (ICD-10-AM I20.0) are the principal diagnosis, and separation mode is not equal to ‘died’ or ‘transferred to another acute hospital’, and care type is not equal to ‘newborn-unqualified days only’ or ‘organ procurement – posthumous’ or ‘hospital border’ in each calendar year (based on discharge date from hospital).

The number of acute coronary events is estimated by (a) + (b).
Numerators
Number of deaths recorded with an underlying cause of acute coronary heart disease (a) plus the number of non-fatal hospitalisations with a principal diagnosis of acute myocardial infarction or unstable angina that do not end in a transfer to another acute hospital (b). For ages 25 years and over.
Denominators
Total population aged 25 years and over for calendar year in question.
Disaggregation

2010 and 2011 (resupplied for revisions to the National Mortality Database), 2012 — Nationally, by:

  • age group and sex

2007, 2008, 2009, 2010, 2011, 2012 — State/Territory of usual residence

2007, 2008, 2009 (resupplied for updated Indigenous population projections), 2010 and 2011 (resupplied for updated Indigenous population projections and revisions to the National Mortality Database), 2012—Nationally (for states and territories with adequate identification in hospital and deaths data), by:

  • Indigenous status

References

Related content

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