Australian Institute of Health and Welfare (2022) Estimating the incidence of stroke and acute coronary syndrome using the National Integrated Health Services Information Analysis Asset, AIHW, Australian Government, accessed 01 June 2023.
Australian Institute of Health and Welfare. (2022). Estimating the incidence of stroke and acute coronary syndrome using the National Integrated Health Services Information Analysis Asset. Canberra: AIHW.
Australian Institute of Health and Welfare. Estimating the incidence of stroke and acute coronary syndrome using the National Integrated Health Services Information Analysis Asset. AIHW, 2022.
Australian Institute of Health and Welfare. Estimating the incidence of stroke and acute coronary syndrome using the National Integrated Health Services Information Analysis Asset. Canberra: AIHW; 2022.
Australian Institute of Health and Welfare 2022, Estimating the incidence of stroke and acute coronary syndrome using the National Integrated Health Services Information Analysis Asset, AIHW, Canberra.
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Currently, there is no direct way to count the number of new stroke or acute coronary syndrome (ACS) events at the national level. Instead, estimates are derived using algorithms, based on unlinked national hospitalisation and deaths data. This report aims to fill this gap. It presents the incidence of stroke and ACS derived using linked data from the National Integrated Health Services Information Analysis Asset (NIHSI AA).
In 2018, there were around 29,000 new stroke events – around 79 events every day
In 2018, there were around 40,200 new acute coronary syndrome events – around 110 events every day
Stroke events estimated using the unlinked data were similar to estimates from linked data
Acute coronary syndrome events were underestimated by 15% when using unlinked data compared to linked data
There is no direct way to count the number of new stroke and acute coronary syndrome (ACS) events at the national level. To date, Australian Institute of Health and Welfare reports use estimates derived using algorithms based on unlinked national hospitalisation and deaths data. This technical report assesses how well the algorithms function using linked data from the National Integrated Health Services Information Analysis Asset (NIHSI AA). It describes the validation study undertaken to assess the algorithms and the methods for estimating the incidence of stroke and ACS using linked data from the NIHSI AA. All data presented in this report are available through the online supplementary tables available under Data tables.
Structure of the technical report
Denominator population
Exploratory analysis using residential aged care data
End matter: Acknowledgements, Abbreviations, Symbols, Glossary, References, List of tables, List of figures, Related publications
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