Description of the generation and content of the OMOP format dataset created in March 2020.

Due to some data quality issues identified by research groups who have been using the returned OMOP derivation dataset, the relevant record-level tables are now restricted. Please see Field 20142 for more information.

This resource can be downloaded or viewed using the link: omop_release_notes.pdf

If you have wget available (typically on linux systems), then you can also obtain a copy using the command

 wget  -nd  biobank.ctsu.ox.ac.uk/ukb/ukb/docs/omop_release_notes.pdf