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Updated DOSE_ERA (markdown)

Christian Reich 2017-08-19 00:31:47 -04:00
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StandardizedDerivedElements/DOSE_ERA.md

@ -7,8 +7,8 @@ Field|Required|Type|Description
|drug_concept_id|Yes|integer|A foreign key that refers to a Standard Concept identifier in the Standardized Vocabularies for the active Ingredient Concept.|
|unit_concept_id|Yes|integer|A foreign key that refers to a Standard Concept identifier in the Standardized Vocabularies for the unit concept.|
|dose_value|Yes|float|The numeric value of the dose.|
|dose_era_start_date|Yes|date|The start date for the drug era constructed from the individual instances of drug exposures. It is the start date of the very first chronologically recorded instance of utilization of a drug.|
|dose_era_end_date|Yes|date|The end date for the drug era constructed from the individual instance of drug exposures. It is the end date of the final continuously recorded instance of utilization of a drug.|
|dose_era_start_date|Yes|date|The start date for the dose era constructed from the individual instances of drug exposures. It is the start date of the very first chronologically recorded instance of utilization of a drug.|
|dose_era_end_date|Yes|date|The end date for the dose era constructed from the individual instance of drug exposures. It is the end date of the final continuously recorded instance of utilization of a drug.|
### Conventions
* Dose Eras will be derived from records in the DRUG_EXPOSURE table and the Dose information from the DRUG_STRENGTH table using a standardized algorithm.