Defined Daily Dose (DDD) Index.
- The DDD is the assumed average maintenance dose per day for a drug used for its main indication in adults.
- DDDs provide a fixed unit of measurement independent of price, currencies, package size and strength enabling the researcher to assess trends in drug consumption and to perform comparisons between population groups.
- The DDD is (to the best of my knowledge) not part of the EU PMS implementation

Tbd. Maybe not IDMP Scope

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