Existing data sources in clinical epidemiology: Laboratory information system databases in Denmark

In this data resource review, researchers at several Danish hospitals discuss how the country puts two laboratory information systems (LISs) that collect routine biomarker data to use, as well as how it can be accessed for research. The researchers explain how data is collected into the LISs, how data quality is managed, and how it is used, providing several real-world examples. They then discuss the strengths and weaknesses of their data as they relate to epidemiology, as well as how the data can be accessed. They emphasize “that access to data on routine biomarkers expands the detailed biological and clinical information available on patients in the Danish healthcare system,” while the “full potential is enabled through linkage to other Danish healthcare registries.”

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