Why the study?
Are acute myocardial infarction diagnoses in Norwegian national health registers valid for use as endpoints in epidemiological research?
Are acute myocardial infarction diagnoses in Norwegian national health registers valid for use as endpoints in epidemiological research?
National health registers in Norway provide highly correct and complete MI diagnoses, offering a faster and less resource-intensive alternative to manual data collection for epidemiological research.
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Norwegian registers yield valid MI endpoints for epidemiology; confirms registers as accurate, efficient alternatives to manual adjudication.
MI diagnoses in both the Norwegian Myocardial Infarction Register and the Norwegian Patient Register were highly correct and complete, and each of the registers could be considered as endpoint sources for the Tromsø Study. A combination of the two national registers seemed, however, to represent the most comprehensive data source overall. The benefits of using data from national registers as endpoints in epidemiological studies include faster, less resource-intensive access to nationwide data and considerably lower loss to follow-up, compared to manual data collection in a limited geographical area.
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Varmdal et al. (2021) studied this question.
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