Table 1.
Key details about the Clinical Practice Research Datalink
Counties participating | UK: England, Wales, Scotland and Nortdern Ireland |
Who is included? | Patients registered at general practices that contribute data to CPRD, who have not dissented from secondary use of GP patient-identifiable data |
What is recorded? | Demographics, diagnoses, symptoms, signs, prescriptions, referrals, immunisations, behavioural factors, tests |
Period of data collection | 1987 to present |
Average duration of follow-up 5.1 years | |
Funding source | CPRD has received funding from the MHRA, Wellcome Trust, Medical Research Council, NIHR Health Technology Assessment programme, Innovative Medicines Initiative, UK Department of Health, Technology Strategy Board, Seventh Framework Programme EU, and various universities, contract research organizations and pharmaceutical companies |