CPRD Aurum March 2021 dataset

Release date

Citation: Clinical Practice Research Datalink. (2021). CPRD Aurum March 2021 (Version 2021.03.001) [Data set]. Clinical Practice Research Datalink. https://doi.org/10.48329/9M6M-FR20


The CPRD Aurum database contains longitudinal routinely-collected electronic health records (EHR data) from UK primary care practices using EMIS Web® 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 Aurum database March 2021 version:

  • Total number of research acceptable patients: 39,555,354
  • Percentage UK population coverage (current patients only): 13,299,826 of 66,796,800 (19.91%)
  • Median (25th and 75th percentile) follow-up time in years for currently registered patients: 8.96 (3.40 – 20.10)
  • Patients eligible for linkage: 35,444,484
  • Total number of GP practices: 1,489
  • Percentage coverage of UK general practices (currently contributing practices only): 1,375 of 8,961 (15.34%)

Download: CPRD Aurum March 2021 release notes (PDF, 152KB, 2 pages)

Please contact enquiries@cprd.com for further information or if you have any questions.