Existing data sources for clinical epidemiology: The clinical laboratory information system (LABKA) research database at Aarhus University, Denmark
Anne Fia Grann, Rune Erichsen, Anders Gunnar Nielsen, Trine Frøslev, Reimar W Thomsen
Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
Abstract: This paper provides an introduction to the clinical laboratory information system (LABKA) research database in Northern and Central Denmark. The database contains millions of stored laboratory test results for patients living in the two Danish regions, encompassing 1.8 million residents, or one-third of the country's population. More than 1700 different types of blood test analyses are available. Therefore, the LABKA research database represents an incredible source for studies involving blood test analyses. By record linkage of different Danish registries with the LABKA research database, it is possible to examine a large number of biomarkers as predictors of disease risk and prognosis and as markers of disease severity, and to evaluate medical treatments regarding effectiveness and possible side effects. Large epidemiological studies using routinely stored blood test results for individual patients can be performed because it is possible to link the laboratory data to high-quality individual clinical patient data in Denmark.
Keywords: biochemistry, laboratory procedures, diagnosis, therapeutic drug monitoring, epidemiological methods, registries
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