drug_era

Standardized Derived Elements

Table Columns

field	type	required	phi	phi scrubbing operation
drug_era_id	INTEGER	Yes		Not Stable between Data Refreshes
person_id	INTEGER	Yes		Sub
drug_concept_id	INTEGER	Yes
drug_era_start_date	DATETIME	Yes	Yes	Jitter
drug_era_end_date	DATETIME	Yes	Yes	Jitter
drug_exposure_count	INTEGER	No
gap_days	INTEGER	No

Columns Description

drug_era_id

A unique identifier for each Drug Era.

person_id

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

A foreign key that refers to a Standard Concept identifier in the Standardized Vocabularies for the Ingredient Concept.

drug_era_start_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 conutilization of a Drug.

drug_era_end_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.

drug_exposure_count

The number of individual Drug Exposure occurrences used to construct the Drug Era.

gap_days

The number of days that are not covered by drug_exposure records that were used to make up the era record.