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Hospital Episode Statistics (HES): A consultation on proposed changes to statistical disclosure control applied to aggregated data

The HSCIC have published an interim response to the consultation on statistical disclosure control.

pdf icon HES Statistical Disclosure Control interim response [127kb]

The review of consultation responses is ongoing and further input from respondents may be sought in the New Year in order to further refine any changes to the current methodology


What is this consultation?

This consultation invites responses on proposed changes to the method of disclosure control applied to aggregated HES outputs.

Why are we having this consultation?

The current disclosure control methodology has been reviewed in order to improve consistency and ease of application, and to reduce risk of identification.

Summary of consultation

The proposal still requires small numbers to be suppressed at certain levels of aggregation (usually small geographical areas). However the way these are currently protected within official statistical outputs is by manual application of secondary suppression. The proposal instead uses rounding of aggregate data as the method of protecting the primary small number suppression.

How to respond

This consultation will run for six weeks from 25 August 2015 until 5 October 2015. We welcome the views of all users of HES data.

Secondary Care: HES Analysis Team
The Health and Social Care Information Centre
1 Trevelyan Square
Boar Lane
Leeds
LS1 6AE

Other relevant documents

Latest annual HES publications:

Publication of the consultation outcome

November 2015 update: please see the interim response document above.

Responses: confidentiality and disclaimer

Please note that if you want the information that you provide to be treated as confidential, be aware that, under the Freedom of Information Act, there is a statutory Code of Practice with which public authorities must comply and which deals, among other things, with obligations of confidence.

In view of this it would be helpful if you could explain to us why you regard the information you have provided as confidential. If we receive a request for disclosure of the information, we will take full account of your explanation but we cannot give assurance that confidentiality can be maintained in all circumstances.

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