General Practice Extraction Service

The General Practice Extraction Service (GPES or GP Extraction Service) is a British health service outcomes research computer database that collates statistical aggregated data (demographic cohorts) from individual medical records of GPs in England, for purposes independent of an individual's immediate health, such as public health research. It may conflict with sensitive medical confidentiality. It is similar to bioinformatics, epidemiology, and a health information exchange.

With advances in computing technology and databases, many more types of public health research, including time-consuming cohort studies, are now possible; sifting through health data is quicker. Medical conditions can be cross-referenced with lifestyle.

The GPES began in 2007. The NHS has not had a good record for computer systems. The NHS National Programme for IT, a complete digital overhaul of the NHS's medical records, became NHS Connecting for Health, and then partly by the Health and Social Care Information Centre; a lot of money was effectively lost on NHS Connecting for Health, sometimes quoted at £12 billion. GPES was meant to cost £14m but has cost £40m. The system was discussed by the Public Accounts Committee (United Kingdom) (PAC) in 2015, who said the system has begun five years later than planned, being planned to start in 2009.

The purpose of the GPES is not dissimilar to the Office for National Statistics (ONS) in how it collates data. It consists of the query tool GPET-Q, and the extraction tool GPET-E. GPET-Q is designed by Paris-based Atos, a large IT services company.

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