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Diagnostic Imaging Dataset (DIDS)
Population Size
0
People
Years
2022
Associated BioSamples
None/not available
Geographic coverage
North West England: https://www.geonames.org/2641227/north-west.html
Lead time
2-6 months
Summary
The Diagnostic Imaging Dataset (DIDS) is a central collection of detailed information about diagnostic imaging tests carried out on NHS patients, extracted from local Radiology Information Systems (RISs) and submitted monthly.
Documentation
Dataset type
Health and disease
Dataset sub-type
Not applicable
Keywords
Observations
Observed Node | Disambiguating Description | Measured Value | Measured Property | Observation Date |
|---|---|---|---|---|
Persons | Number of distinct individuals in the dataset | 3101165 | count | 02 Jun 2025 |
Events | Number of events for 2024/25 (M1-M10) | 1989864 | count | 02 Jun 2025 |
Provenance
Source of data extraction
EPR
Collection source setting
Secondary care - In-patients, Secondary care - Outpatients
Patient pathway description
The DIDS captures information for each diagnostic imaging event, from time of test request through to time of reporting
Biological sample availability
None/not available
Structural Metadata
Details
Publishing frequency
Monthly
Version
1.0.0
Modified
12/06/2025
Coverage
Start date
22/02/2022
Time lag
2-6 months
Geographic coverage
Maximum age range
125
Accessibility
Language
en
Alignment with standardised data models
NHS DATA DICTIONARY
Controlled vocabulary
LOCAL
Format
text/csv, application/sql
Data Access Request
Time to dataset access
2-6 months
Access method category
TRE/SDE
Access service description
A secure workspace within the SDE will be implemented for each project. The standard package for a secure workspace includes a cloud-based VDI providing access to an instance of the platform and a suite of included tools. Further details can be provided on request
Jurisdiction
UK
Data use limitation
Research use only
Data use requirements
User-specific restriction
Data Controller
North West Secure Data Environment (SDE)
Data Processor
Arden and GEM Commissioning Support Unit