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The average number of ICD-10 codes in both GP-SCR and ED. records was higher for patients who died than patients who survived (all p &lt; .0001). Pre-existing GP digital data provides a better prediction of mortality than data collected manually during admission clerking in the ED. Up to 78.47% of GP-SCR codes were missed in the ED. records and up to 45.49% of the ED. record codes were not in the GP-SCR. A subset of missed ICD-10 codes were identified as being able to predict outcome; a trend towards increasing death rate as the proportion of missed codes increases. Initiatives to make the GP-SCR available to the wider healthcare community should improve patient care and reduce bias during development of machine learning based algorithms.<\/jats:p>","DOI":"10.1177\/14604582241249929","type":"journal-article","created":{"date-parts":[[2024,7,24]],"date-time":"2024-07-24T22:22:45Z","timestamp":1721859765000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["The digital divide between primary and secondary care: An analysis using SARS-CoV-2 hospital admissions"],"prefix":"10.1177","volume":"30","author":[{"given":"Amit","family":"Sagi","sequence":"first","affiliation":[{"name":"Department Of Orthopaedic Surgery, South West London elective Orthopaedic Centre and St. Helier University Hospital's NHS Trust, Epsom, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8926-1343","authenticated-orcid":false,"given":"Vipin","family":"Asopa","sequence":"additional","affiliation":[{"name":"Department Of Orthopaedic Surgery, South West London elective Orthopaedic Centre and St. Helier University Hospital's NHS Trust, Epsom, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Benjamin","family":"Mitchell","sequence":"additional","affiliation":[{"name":"Department Of Orthopaedic Surgery, South West London elective Orthopaedic Centre and St. Helier University Hospital's NHS Trust, Epsom, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mahalingam","family":"Shiyamasundaran","sequence":"additional","affiliation":[{"name":"Department Of Orthopaedic Surgery, South West London elective Orthopaedic Centre and St. Helier University Hospital's NHS Trust, Epsom, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Caleb","family":"Koch","sequence":"additional","affiliation":[{"name":"Department Of Orthopaedic Surgery, South West London elective Orthopaedic Centre and St. Helier University Hospital's NHS Trust, Epsom, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fanuelle","family":"Getachew","sequence":"additional","affiliation":[{"name":"Department Of Orthopaedic Surgery, South West London elective Orthopaedic Centre and St. Helier University Hospital's NHS Trust, Epsom, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Irrum","family":"Afzal","sequence":"additional","affiliation":[{"name":"Department Of Orthopaedic Surgery, South West London elective Orthopaedic Centre and St. Helier University Hospital's NHS Trust, Epsom, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David","family":"Sochart","sequence":"additional","affiliation":[{"name":"Department Of Orthopaedic Surgery, South West London elective Orthopaedic Centre and St. Helier University Hospital's NHS Trust, Epsom, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Richard","family":"Field","sequence":"additional","affiliation":[{"name":"Department Of Orthopaedic Surgery, South West London elective Orthopaedic Centre and St. Helier University Hospital's NHS Trust, Epsom, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2024,7,24]]},"reference":[{"key":"bibr1-14604582241249929","volume-title":"Deaths involving COVID-19, England and Wales: deaths occurring in June 2020","author":"Campbell A","year":"2020"},{"key":"bibr2-14604582241249929","volume-title":"The digital revolution: eight technologies that will change health and care","author":"Gretton C","year":"2016"},{"key":"bibr3-14604582241249929","volume-title":"Health systems: improving and sustaining quality through digital transformation","author":"London T","year":"2016"},{"key":"bibr4-14604582241249929","doi-asserted-by":"publisher","DOI":"10.1093\/jamia\/ocy162"},{"key":"bibr5-14604582241249929","volume-title":"The 1992 and 1998 information management and technology strategies of the NHS Executive. 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