Implications of a defined daily dose fixed database for drug utilization research studies: The case of statins in Portugal.
Catarina AbrantesFernanda Stumpf ToninJoana Reis-PardalMaria Margarida Castel-BrancoClaudia FurtadoIsabel Vitória FigueiredoFernando Fernandez-LllimosPublished in: British journal of clinical pharmacology (2021)
A more dynamic system, based on national and annually updated DDDs, should be able to reduce discrepancies between DDDs and PDDs and the bias in utilization studies.