Table 1 Data sources
Data set | Coverage | Key information (including coding system) |
|---|---|---|
Primary care | ||
CPRD Aurum | Start of patient GP registration – c. October 2020 | Symptoms and clinical diagnoses, demographic characteristics, vaccination history, lifestyle and behaviours (e.g. smoking history), laboratory test results, prescriptions, referrals to secondary care (SNOmed codes, READ codes) |
Linked data sets | ||
ONS Death registration data | 1998–2020 | Date, place and cause of death including underlying and contributory causes of death (ICD-10) |
Hospital Episode Statistics (HES) | ||
Admitted Patient Care (APC) | 1997–2020 | Details of all admissions to NHS hospitals in England (including acute, mental and primary care trust hospitals) including clinical diagnoses (ICD-10) and procedures performed (OPCS) |
Diagnostic Imaging Dataset (DID) | 2012–2020 | Type of imaging performed (CT, X-ray, MRI) and body area imaged (e.g. chest) |