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also called "domain"; a class of data in clinical research informatics; diagnoses, procedures, medications, lab tests, and demographics are examples of categories in the i2b2 ontology
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CDM
Common Data Model; see i2b2/tranSMART CDM and OMOP CDM
CMS
US Center for Medicare and Medicaid Services; authors of SynPUF CDM
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Informatics for Integrating Biology and the Bedside (i2b2.org)
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i2b2/tranSMART CDM
The i2b2/tranSMART common data model is the primary patient data model used in i2b2 and tranSMART. It consists of a "star schema": one table for the multitude of patient-related observations, supported by "dimension" tables for patient demographics, encounter data, provider data, etc.
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Observational Medical Outcomes Partnership (2009–2014) (omop.org), succeeded by OHDSI (say “oh-mop”)
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OMOP CDM
The OMOP common data model is used by many institutions for research. It can be used in the i2b2 CRC database for recording patient data. Many institutions prefer this format over the i2b2 CDM because it more readily supports research outside of i2b2.
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