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NHS e-Referral Service (e-RS)

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North West Secure Data Environment (SDE)

Population Size

2,207,578

People

Population Size statistic card

Years

2013

Years statistic card

Associated BioSamples

None/not available

Associated BioSamples statistic card

Geographic coverage

North West England: https://www.geonames.org/2641227/north-west.html

Geographic coverage statistic card

Lead time

2-6 months

Lead time statistic card

Summary

Documentation

Dataset type

Health and disease

Dataset population size

Keywords

Observations

Observed Node

Disambiguating Description

Measured Value

Measured Property

Observation Date

Persons

Total number of distinct individuals in the dataset

43060772

Count

09 Jun 2025

Findings

Highest number of referrals from Patient residing in LA: Wirral (latest 12 months)

338395

Count

11 Jun 2025

Provenance

Source of data extraction

Collection source setting

,

Patient pathway description

, ,

Biological sample availability

Structural Metadata

Details

Publishing frequency

Version

Modified

24/07/2026

Coverage

Start date

10/06/2013

Time lag

Maximum age range

Accessibility

Language

Alignment with standardised data models

Controlled vocabulary

Format

Data Access Request

Time to dataset access

Access method category

Access service description

Jurisdiction

Data use limitation

Data use requirements

Data Controller

Data Processor

Demographics

Dataset Types: Health and disease


Data Custodian: North West Secure Data Environment (SDE)

Collection Sources: Primary care - Referrals, Secondary care - Outpatients