Observed Conventions
Emory's OMOP instance follows the OHDSI community's published conventions and adds Emory-specific extensions where needed. This section documents what we follow, what we've added, and where gaps remain.
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OHDSI Conventions
Community-published standards for the CDM — data types, vocabulary usage, domain routing, and THEMIS-ratified conventions that ensure cross-site compatibility.
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Emory Conventions
Emory-specific additions to the CDM — mapping tables, PII tables, provenance fields, and ID generation strategies that support multi-source ETL.
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Convention Adherence
Tracking Emory's adherence to OHDSI conventions — known deviations, their impact, and remediation status.
Why conventions matter
Conventions ensure that OHDSI tools (ATLAS, HADES, CohortDiagnostics) work consistently across sites and that Emory's data is compatible with federated network studies.