diff --git a/StandardizedDerivedElements/DOSE_ERA.md b/StandardizedDerivedElements/DOSE_ERA.md index d9960f0..6773e47 100644 --- a/StandardizedDerivedElements/DOSE_ERA.md +++ b/StandardizedDerivedElements/DOSE_ERA.md @@ -6,7 +6,7 @@ Field|Required|Type|Description |person_id|Yes|integer|A foreign key identifier to the Person who is subjected to the drug during the drug era. The demographic details of that Person are stored in the PERSON table.| |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_value|Yes|float|The numeric value of the average daily dose of the ingredient during the course of the era.| |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.|