9 lines
649 B
Markdown
9 lines
649 B
Markdown
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[DRUG_ERA](https://github.com/OHDSI/CommonDataModel/wiki/DRUG_ERA)
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[DOSE_ERA](https://github.com/OHDSI/CommonDataModel/wiki/DOSE_ERA)
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[CONDITION_ERA](https://github.com/OHDSI/CommonDataModel/wiki/CONDITION_ERA)
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These tables contain information about the clinical events of a patient that are not obtained directly from the raw source data, but from other tables of the CDM.
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Below provides an entity-relationship diagram highlighting the tables within the Standardized Derived Elements portion of the OMOP Common Data Model:
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![](http://www.ohdsi.org/web/wiki/lib/exe/fetch.php?media=documentation:cdm:standardized_derived_elements_3.png)\
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