Key result
Adult myocardial infarction prevalence in Ontario reaches ~2% using historical hospital tracking data.
Why the study?
Health administrative data are typically available for a limited number of years, posing challenges for estimating myocardial infarction prevalence and incidence.
Observational (n=170,061)
Absolute Event Rate: 2.03% vs 1.8%
Estimating myocardial infarction prevalence using historical hospital data is feasible, and a 'back tracing' method can reliably estimate unobserved prior events to create a complete registry.
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May serve as a historical MI prevalence reference; leaves open current burden and requires prospective validation.
Manuel et al. (2007) conducted an observational in Myocardial Infarction (n=170,061). Historical hospital admission data with back-tracing extrapolation vs. Observed hospital admissions only was evaluated on Estimated prevalence of myocardial infarction (95% CI 2.01 to 2.05). Using 17 years of historical hospital data combined with back-tracing extrapolation, the estimated prevalence of myocardial infarction among adults in Ontario in 2004 was 2.03%.
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