{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T16:58:34Z","timestamp":1785430714716,"version":"3.56.0"},"reference-count":16,"publisher":"European Delirium Association","license":[{"start":{"date-parts":[[2023,7,29]],"date-time":"2023-07-29T00:00:00Z","timestamp":1690588800000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"abstract":"<jats:sec id=\"background\">\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Little information is available on change in delirium coding rates over time in major healthcare systems. We examined trends in delirium discharge coding rates in older patients in hospital admissions to the National Health Service (NHS) in England and Scotland between 2012 and 2020.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"methods\">\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Hospital administrative coding data were sourced from NHS Digital England and Public Health Scotland. We examined rates of delirium (F05 from ICD-10) in patients aged \u226570 years in 5 year and \u226590 age bands.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"results\">\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>There were approximately 7,000,000 discharges\/year in England and 700,000\/year in Scotland. Substantially increased delirium coding was observed for all age bands between 2012\/2013 and 2019\/2020 (p&lt;0.001, Mann Kendall\u2019s tau). In the \u226590 age band, there was a 4-fold increase between 2012 and 2020.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"conclusion\">\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Delirium coding rates have shown large increases in the NHS in England and Scotland, likely reflecting several factors including policy initiatives, detection tool implementation and education.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.56392\/001c.84051","type":"journal-article","created":{"date-parts":[[2023,7,29]],"date-time":"2023-07-29T04:01:07Z","timestamp":1690603267000},"source":"Crossref","is-referenced-by-count":5,"title":["Trends in delirium coding rates in older hospital inpatients in England and Scotland: full population data comprising 7.7M patients per year show substantial increases between 2012 and 2020"],"prefix":"10.56392","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8571-988X","authenticated-orcid":false,"given":"Temi","family":"Ibitoye","sequence":"first","affiliation":[{"name":"The University of Edinburgh","department":["Edinburgh Delirium Research Group, Ageing and Health, Usher Institute"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6320-9600","authenticated-orcid":false,"given":"Thomas A.","family":"Jackson","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/03angcq70","id-type":"ROR","asserted-by":"publisher"}],"name":"University of Birmingham","department":["Institute of Inflammation and Ageing"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1560-1955","authenticated-orcid":false,"given":"Daniel","family":"Davis","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/02jx3x895","id-type":"ROR","asserted-by":"publisher"}],"name":"University College London","department":["MRC Unit for Lifelong Health and Ageing"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3159-9370","authenticated-orcid":false,"given":"Alasdair M.J.","family":"MacLullich","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01nrxwf90","id-type":"ROR","asserted-by":"publisher"}],"name":"University of Edinburgh","department":["Edinburgh Delirium Research Group, Ageing and Health, Usher Institute"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"35609","published-online":{"date-parts":[[2023,7,29]]},"reference":[{"key":"ref1","article-title":"Overview | Delirium: prevention, diagnosis and management | Guidance | NICE","author":"NICE","year":"2010"},{"key":"ref2","article-title":"Risk reduction and management of delirium","author":"SIGN","year":"2019"},{"key":"ref3","article-title":"Hospital Episode Statistics, Admitted Patient Care, England - 2012-13","author":"N. 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R Foundation for Statistical Computing","author":"R Core Team","year":"2018"},{"key":"ref5","article-title":"Quality statement 5: Communication of diagnosis to GPs | Delirium in adults | Quality standards | NICE","year":"2014"},{"issue":"5","key":"ref6","doi-asserted-by":"publisher","first-page":"1485","DOI":"10.1177\/07334648211067526","article-title":"Assessing the Accuracy of International Classification of Diseases (ICD) Coding for Delirium","volume":"41","author":"Victoria L Chuen","year":"2022","journal-title":"Journal of Applied Gerontology","ISSN":"https:\/\/id.crossref.org\/issn\/0733-4648","issn-type":"print"},{"issue":"5","key":"ref7","doi-asserted-by":"publisher","first-page":"454","DOI":"10.7861\/clinmed.2019-0470","article-title":"Impact of a system-wide multicomponent intervention on administrative diagnostic coding for delirium and other cognitive frailty syndromes: observational prospective study","volume":"20","author":"Sarah T Pendlebury","year":"2020","journal-title":"Clinical Medicine","ISSN":"https:\/\/id.crossref.org\/issn\/1470-2118","issn-type":"print"},{"issue":"3","key":"ref8","doi-asserted-by":"publisher","first-page":"352","DOI":"10.1093\/ageing\/afaa040","article-title":"The consistent burden in published estimates of delirium occurrence in medical inpatients over four decades: a systematic review and meta-analysis study","volume":"49","author":"Kate Gibb","year":"2020","journal-title":"Age and ageing","ISSN":"https:\/\/id.crossref.org\/issn\/0002-0729","issn-type":"print"},{"issue":"3","key":"ref9","doi-asserted-by":"publisher","first-page":"afac051","DOI":"10.1093\/ageing\/afac051","article-title":"Positive scores on the 4AT delirium assessment tool at hospital admission are linked to mortality, length of stay and home time: two-centre study of 82,770 emergency admissions","volume":"51","author":"Atul Anand","year":"2022","journal-title":"Age and Ageing","ISSN":"https:\/\/id.crossref.org\/issn\/0002-0729","issn-type":"print"},{"issue":"11","key":"ref10","doi-asserted-by":"publisher","first-page":"1373","DOI":"10.1001\/jamaneurol.2020.2273","article-title":"Association of Delirium With Long-term Cognitive Decline: A Meta-analysis","volume":"77","author":"Terry E. Goldberg","year":"2020","journal-title":"JAMA Neurology","ISSN":"https:\/\/id.crossref.org\/issn\/2168-6149","issn-type":"print"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.56392\/001c.74541","article-title":"Delirium is under-reported in discharge summaries and in hospital administrative systems: a systematic review","author":"Temi Ibitoye","year":"2023","journal-title":"Delirium","ISSN":"https:\/\/id.crossref.org\/issn\/2958-9134","issn-type":"print"},{"key":"ref12","article-title":"The ICD-10 classification of mental and behavioural disorders: clinical descriptions and diagnostic guidelines","author":"World Health Organization","year":"2019"},{"key":"ref13","article-title":"NHS Data Model and Dictionary Change Request 1412 (Amd 10\/2014)","author":"N. Digital","journal-title":"International Statistical Classification of Diseases and Health Related Problems (ICD-10) 5th Edition"},{"key":"ref14","article-title":"ISD Services | Terminology Services and Clinical Coding | Coding & Terminology Systems | ISD Scotland","author":"P.H. Scotland"},{"key":"ref15","article-title":"The Importance of Clinical Coding","author":"Blackpool Teaching Hospitals NHS Foundation Trust","year":"2021"},{"key":"ref16","article-title":"4AT - Rapid Clinical Test for Delirium Detection","author":"A.M.J. MacLullich"}],"container-title":["Delirium"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/deliriumjournal.com\/article\/84051-trends-in-delirium-coding-rates-in-older-hospital-inpatients-in-england-and-scotland-full-population-data-comprising-7-7m-patients-per-year-show-subs","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,11,6]],"date-time":"2025-11-06T14:24:13Z","timestamp":1762439053000},"score":1,"resource":{"primary":{"URL":"https:\/\/deliriumjournal.com\/article\/84051-trends-in-delirium-coding-rates-in-older-hospital-inpatients-in-england-and-scotland-full-population-data-comprising-7-7m-patients-per-year-show-subs"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023,7,29]]},"references-count":16,"URL":"https:\/\/doi.org\/10.56392\/001c.84051","relation":{},"ISSN":["2958-9134"],"issn-type":[{"value":"2958-9134","type":"electronic"}],"subject":[],"published":{"date-parts":[[2023,7,29]]}}}