CPRD GOLD January 2021 dataset

Release date: 

Citation: Clinical Practice Research Datalink. (2021). CPRD GOLD January 2021 (Version 2021.01.001) [Data set]. Clinical Practice Research Datalink. https://doi.org/10.11581/V8HP-QA82


The CPRD GOLD database contains longitudinal routinely-collected electronic health records (EHR data) from UK primary care practices using Vision® general practice patient management software. The database captures information on:

  • Demographic characteristics
  • Diagnoses and symptoms
  • Drug exposures
  • Vaccination history
  • Laboratory tests
  • Referrals to hospital and specialist care

Access to anonymised data from CPRD is subject to a full licence agreement containing detailed terms and conditions of use. Anonymised patient datasets can be extracted for researchers against specific study specifications, following protocol approval. Further information is available at www.cprd.com/data-access


CPRD GOLD database January 2021 version:

  • Total number of research acceptable patients: 19,483,855
  • Percentage UK population coverage (current patients only): 3,020,680 of 66,796,800 (4.52%)
  • Median (25th and 75th percentile) follow-up time in years for currently registered patients: 12.92 (4.79 – 25.26)
  • Patients eligible for linkage: 9,209,834
  • Total number of GP practices: 945
  • Percentage coverage of UK general practices (currently contributing practices only): 394 of 8,961 (4.40%)


(PDF, 131KB, 3 pages)
Please contact enquiries@cprd.com for further information or if you have any questions.