National chlamydia screening programme (NCSP): annual data
Information on chlamydia testing and diagnoses in 15 to 24 year olds in England by demographic characteristics and geographical region.
Documents
Details
Download  for presentational use.
¶Ù´Ç·É²Ô±ô´Ç²¹»åÌý for presentational use.
UK Health Security Agency (UKHSA) collect data on all NHS and local authority commissioned chlamydia tests undertaken in England, to measure screening activity.
»Ê¹ÚÌåÓýapp data provides information on the:
- trends in testing coverage
- proportion of tests that are positive
- detection rate
Figures by various demographic characteristics and by geographical distribution are also included.
Data at lower and upper tier local authority is available from the .
Previously published NCSP data tables and outputs are available from the .
Our statistical practice is regulated by the Office for Statistics Regulation (OSR). »Ê¹ÚÌåÓýapp OSR sets the standards of trustworthiness, quality and value in the  that all producers of Official Statistics should adhere to.
Updates to this page
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Added links to the 2023 slide set and infographic.
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Updated with 2023 NCSP data, link to annual report, quality and methodology information and pre-release access list. Previously published data revised to reflect resubmissions and improvements to data cleaning.
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Added links to NCSP slide set 2022 and STI infographic 2022 under Details section.
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Updated with 2022 NCSP data, link to annual report and pre-release access list. Previously published data revised to reflect resubmissions and improvements to data cleaning.
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Updated with 2021 NCSP data; link to annual report; pre-release access list; and added links to infographic and slide set. Previously published data revised to reflect resubmissions and improvements to data cleaning.
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Updated with 2020 NCSP data; link to annual report; pre-release access list; and added links to infographic and slide set. Revised previously published data to reflect resubmissions and improvements to data cleaning.
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Updated with 2019 NCSP data; annual report; pre-release access list; and added links to infographic and slide set. Revised 2018 data to reflect resubmissions and improvements to data cleaning.
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Added link to the 'NCSP slide set 2018' under Details section.
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Updated with 2018 NCSP data, health protection report, pre-release access list, and added infographic in details section. Revised previously published data to reflect resubmissions and improvements to data cleaning.
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Updated with 2017 NCSP data; health protection report; pre-release access list; and added links to the slide set and infographic under Details section. Revised previously published 2016 data to reflect resubmissions and improvements to data cleaning. »Ê¹ÚÌåÓýapprefore, data may differ from previous publications.
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Updated with 2016 NCSP data; health protection report; slide set. Revised previously published 2015 data to reflect resubmissions and improvements to data cleaning. »Ê¹ÚÌåÓýapprefore, data may differ from previous publications.
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Added link to Sexual and Reproductive Health Profiles
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Updated with 2015 NCSP slide set in PowerPoint and PDF format.
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Updated with 2015 NCSP data and revised previously published data to reflect clinic and laboratory resubmissions and improvements to data cleaning. »Ê¹ÚÌåÓýapprefore, data may differ from previous publications.
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Updated with NCSP annual data slide set 2014: no change to statistics.
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Updated with 2013 and 2014 NCSP data.
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First published.