Estimating the incidence of stroke and acute coronary syndrome using the National Integrated Health Services Information Analysis Asset

Publication

Release Date: 03 Nov 2022

Topic: Heart, stroke & vascular diseases

Media release

AIHW

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 09 December 2023. doi:10.25816/resc-1m16

APA

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.

MLA

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.

Vancouver

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.

Harvard

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).

ISBN: 978-1-922802-17-0
DOI: 10.25816/resc-1m16
Cat. no: CDK 21
Pages: 20

Findings from this report:

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

Technical report

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.

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Estimating the incidence of stroke and acute coronary syndrome using the National Integrated Health Services Information Analysis Asset

Citation

AIHW

APA

MLA

Vancouver

Harvard

Technical report

Summary

1. Introduction

2. National monitoring of stroke

3. Validation of the stroke algorithm

4. National monitoring of ACS

5. Validation of the ACS algorithm

6. Incidence of stroke and ACS using linked data in the NIHSI AA

7. Exploratory analysis of other data sources

8. Discussion

Appendix A: Data linkage and data sources

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