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HES-DID Data Linkage Report - Provisional Summary Statistics, April 2016 (Experimental Statistics)

Publication date: 09:30 September 07, 2016

Summary

This is the latest statistical publication of linked HES (Hospital Episode Statistics) and DID (Diagnostic Imaging Dataset) data held by the Health and Social Care Information Centre. The HES-DID linkage provides the ability to undertake national (within England) analysis along acute patient pathways to understand typical imaging requirements for given procedures, and/or the outcomes after particular imaging has been undertaken, thereby enabling a much deeper understanding of outcomes of imaging and to allow assessment of variation in practice.

This publication aims to highlight to users the availability of this updated linkage and provide users of the data with some standard information to assess their analysis approach against.

The two data sets have been linked using specific patient identifiers collected in HES and DID. The linkage allows the data sets to be linked from April 2012 when the DID data was first collected; however this report focuses on patients who were present in either data set for the period April 2016 only. For DID this is provisional 2016/17 data. For HES this is provisional 2016/17data.

The linkage used for this publication was created on 09 August 2016 and released together with this publication on 07 September 2016.


Key Facts

In the period April 2016:

  • 3.4 million imaging procedures were recorded in the Diagnostic Imaging Dataset as having taken place. It was possible to link 2.6 million of these records to individuals in the Hospital Episode Statistics data set.
  • 0.5 million patients who were admitted to hospital at least once were identified as having at least one imaging procedure during the same period.
  • 0.6 million patients who had at least one accident and emergency attendance were identified as having at least one imaging procedure during the same period.
  • 1.2 million patients who had at least one outpatient appointment were identified as having at least one imaging procedure during the same period.

  • Coverage

    Date Range: 01 April 2016 to 30 April 2016
    Geographical coverage: England
    Geographical granularity: Country

    Have a question? Call us on 0300 303 5678 or contact enquiries@nhsdigital.nhs.uk.

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