An Assessment of a relationship between the exposure to COVID-19 vaccines and risk of thrombotic thrombocytopenia syndrome (Association of the risk for Thrombotic Thrombocytopenia Syndrome and Exposure To COVID-19 vaccines) - ATTEST study

ENCePP Code of conduct

No

Data sources

• Data source(s), other:
  - NHS Digital Trusted Research Environment. General Practice Extraction Service (GPES) Data for Pandemic Planning and Research (GDPPR), United Kingdom; - Oxford Royal College of General Practitioners Clinical Informatics Digital Hub (ORCHID), United Kingdom
• Data sources (types):
  Administrative healthcare records (e.g., claims)

  Electronic healthcare records (EHR)

  Other
• Data sources (types), other:
  Case-control surveillance database

Use of a Common Data Model (CDM)

• CDM mapping:
  No

Data quality specifications

• Check conformance:
  Unknown
• Check completeness:
  Unknown
• Check stability:
  Unknown
• Check logical consistency:
  Unknown

Data characterisation

• Data characterisation conducted:
  No