CPRD Primary Care and Linked Data OMOP Common Data Model September 2025

The CPRD Primary Care and Linked Data OMOP CDM database, contains longitudinal routinely-collected health records (EHR data) from UK primary care practices, and hospital episode data provided by NHS England, ethnicity from the CPRD Aurum Ethnicity Record and Index of Multiple Deprivation (IMD) quintile (2019) from the patient postcode linked deprivation measure. The data has been transformed into a common format (data model) using an open community data standard and structure from the OHDSI standardised vocabularies. The approach allows organisation, standardisation and common representation of medical terms and variables that have been obtained from various clinical data sources.