Observational Health Data Sciences and Informatics

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Meeting Notes July 30, 2019

Topics

• Rimma Belenkaya reviewed the latest draft of the ETL documentation including coverage for NAACCR numeric concepts.
  • The group discussed how to handle NAACCR items codes that represent numeric ranges. There is no current mechanism or convention within OMOP covering this use case. See forum discussion here:
    • https://forums.ohdsi.org/t/how-to-represent-ranges-in-the-measurement-table/7504
    • https://forums.ohdsi.org/t/how-to-implement-a-lab-test-range-result-in-measurement-table/5221
    • The group agreed to test out Rimma's recommendation for representing numeric ranges as two entries within the MEASUREMENT table. Michael raised the issue that this will require a manual curation by the OMOP vocabulary team that might not be scalable in the future to make the necessary entries within the new CONCEPT_NUMERIC table. Michael also raised data quality concerns about creating a duplicate non-connected entries within the MEASUREMENT table. The group agreed to asses Rimma's recommendation after ETL testing.