From bb3607ef0cfd15842ae4a64c6abd20cf0e4a8f38 Mon Sep 17 00:00:00 2001 From: Christian Reich Date: Sat, 19 Aug 2017 00:31:47 -0400 Subject: [PATCH] Updated DOSE_ERA (markdown) --- StandardizedDerivedElements/DOSE_ERA.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/StandardizedDerivedElements/DOSE_ERA.md b/StandardizedDerivedElements/DOSE_ERA.md index d42af2e..d9960f0 100644 --- a/StandardizedDerivedElements/DOSE_ERA.md +++ b/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.