campaigns. It will find where diseases are prevalent, and in which age groups and geographic areas, and possibly which social class. Social class has a large effect on long-term health outcomes. The way that GPET-Q did this , was queries being built around keys dates and medical Read codes to define the conditions that were being sought for a particular collection of data. As the life-span of the system continued this moved to use SNOMED CT clinical codes as a way of making the extracts more specialised. Structure It is part of the GP Collections of NHS Digital, formerly the Health and Social Care Information Centre or HSCIC. Another part is the Calculating Quality Reporting Service (CQRS). Other similar UK databases include the Clinical Practice Research Datalink and The Health Improvement Network. It pursues similar work to UK public health observatories. See also Healthcare in the United Kingdom Institute of Public Health, in Cambridge Quality and Outcomes Framework Health Services Research (journal) References External links NHS Digital 2014 establishments in England British medical research Computer-related introductions in 2014 Databases in England Epidemiological study projects General practice Medical databases in the United Kingdom Medical records National Health Service (England) Public Health England Public health research