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NHS e-Lab

NHS e-Lab. Nottingham, September 2010 John Ainsworth ( john.ainsworth@manchester.ac.uk ). Our Approach. Enforce information governance through technology wherever possible Designed for minimum data release Only release items that user “Needs to know”

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NHS e-Lab

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  1. NHS e-Lab Nottingham, September 2010 John Ainsworth (john.ainsworth@manchester.ac.uk)

  2. Our Approach • Enforce information governance through technology wherever possible • Designed for minimum data release • Only release items that user “Needs to know” • NHS is in control of data at all times; NHS can choose what to make available through the e-Lab • Data is stored in a repository hosted on a server inside the NHS Trust

  3. Information Governance • Technical safeguards • Access Control based on privileges • Audit trails & monitoring • Anonymisation and Inference control • Operational • Users sign up to terms and conditions of use; bound by employment contracts • Auditing of users • Standard Operating Procedures • Governance Board + NRES Research Database Approval

  4. NHS Trust EHR E-Lab Pseudonymised Data Repository Governance Users

  5. 2. Pseudonymisation Trust Systems Trust e-Lab Clinical Data Clinical Data Integrated EHR Pseudonymised Data Repository Non-clinical Data Non-clinical Data 1. Integration of primary and secondary care records

  6. Trust e-Lab Psuedonymised Repository 3. Perform Data Query 4. Anonymisation and inference control 2. Access control module authorizes request User Data Store 5. Storage 1 .User logs on and submits query Access Control e-Lab Tools 6. Data analysis and visualization

  7. Data Extraction • Copies data from one database to another • Performs transformations on data fields e.g. • Postcode => LLSOA • Postcode => Area • Date = > year • Date => year and quartile • * => SHA-1 + user defined salt • * => RSA public-private key encryption • * => random 32-bit integer • Plug-in architecture for transformers

  8. Pseudonymisation

  9. Data Extraction

  10. Data Extraction

  11. Data Extraction

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