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The Danish prescription registries

D Gaist1, H T Sørensen, J Hallas

  • 1Department of Clinical Pharmacology, Odense University.

Danish Medical Bulletin
|October 6, 1997
PubMed
Summary

Danish pharmacies

Area of Science:

  • Pharmacoepidemiology
  • Health Informatics

Background:

  • Extensive computerization of Danish pharmacies has led to the creation of two major prescription registries.
  • These registries cover a significant and representative portion of the Danish population.

Purpose of the Study:

  • To discuss the content, coverage, completeness, and data quality of Danish prescription registries.
  • To present the conditions for accessing these valuable data resources.

Main Methods:

  • Utilizing data from the Odense University Pharmacoepidemiological Database (OPED) and the Pharmacoepidemiological Prescription Database of North Jutland (PDNJ).
  • Analyzing registry data covering all reimbursed medicines at the individual user level.
  • Leveraging unique personal identifiers for longitudinal drug history compilation and linkage to other registries.

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Main Results:

  • The registries cover approximately one million individuals (18% of the Danish population).
  • Data completeness for reimbursed prescription drugs is excellent.
  • Comparison studies indicate high validity of the register information.

Conclusions:

  • The Danish prescription registries offer a robust and reliable data source.
  • These registries are highly valuable for conducting pharmacoepidemiological studies.