questionText: To ask the Secretary of State for Health and Social Care, what proportion of patients in England have exercised their right to opt out of sharing their data for research purposes via the Clinical Practice Research Datalink (CPRD).
answerText: The Clinical Practice Research Datalink (CPRD) receives data from Optum, Vision, and TPP SystmOne practices, which represent the three largest clinical system providers to general practices (GPs). 32% of practices across all four nations currently partici...
heading: Medical Records: Data Protection