client logo
Version: 1.0.0 | Published: 9 May 2025 | Updated: 293 days ago

Cohort Discovery linked dataset - OMOP format

Dataset

Documentation

Description:
Data held in Cohort Discovery, based on a TVS SDE OMOP datasource mapped from Secondary User Services (SUS) data and EPR data. SUS data mapped includes patient demographics, diagnosis codes, procedures performed, length of stay, from SUS Admitted Patient Care, Outpatient, Emergency Care and Critical Care submissions. Prescribing and death data are mapped from EPR data. This dataset has been mapped to the OMOP Common Data Model standard.
Is Part Of:
null

Coverage

Spatial:
Thames Valley and Surrey
Typical Age Range:
0-150
Follow Up:
Continuous

Provenance

Origin

Purposes:
  • Statutory
  • Care
Sources:
  • EPR
  • Other
Collection Situations:
  • Secondary care - Accident and Emergency
  • Secondary care - Outpatients
  • Secondary care - In-patients
  • Clinic
  • Primary care - Referrals
  • Secondary care - Ambulance
  • Secondary care - ICU
  • Services

Temporal

Accrual Periodicity:
Quarterly
Start Date:
01 April 2019
End Date:
31 March 2024
Time Lag:
1-2 months

Accessibility

Access

Delivery Lead Time:
Variable
Jurisdictions:
UK
Data Controller:
Thames Valley and Surrey Secure Data Environment (SDE)
Data Processor:
Thames Valley and Surrey Secure Data Environment (SDE)

Usage

Data Use Limitations:
No restriction
Data Use Requirements:
  • Project-specific restrictions
  • User-specific restriction

Format and Standards

Vocabulary Encoding Schemes:
  • OPCS4
  • DM+D
  • ICD10
  • NHS NATIONAL CODES
  • LOCAL
Conforms To:
  • NHS DATA DICTIONARY
  • OMOP
Languages:
en
Formats:
text/comma-separated-values

Observations

Statistical Population
Population Description
Population Size
Measured Property
Observation Date
Persons
Combined (linked)
1491980
Count
31 March 2025