Abstract
This chapter discusses the use of secondary databases in outcomes research. Secondary databases, such as administrative databases and clinical registries, complement randomized controlled trials (RCTs) by evaluating large sample populations with a broader scope.
Secondary databases are also relatively more feasible than RCTs due to lower costs and greater timeliness. While administrative databases are originally created with the purpose of medical billing and administrative services, clinical registries are collected to assess and improve quality and outcomes of care. Administrative databases used for health outcomes research include (1) hospital inpatient discharge data, (2) ambulatory visits data, (3) emergency department visits data, and (4) health insurance claims data for both private and public insurers. Clinical registries contain more detailed clinical information on diagnoses, treatments, and prescriptions than administrative databases.
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Bae, J., Asche, C.V. (2016). Observational Studies. In: Asche, C. (eds) Applying Comparative Effectiveness Data to Medical Decision Making. Adis, Cham. https://doi.org/10.1007/978-3-319-23329-1_3
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DOI: https://doi.org/10.1007/978-3-319-23329-1_3
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