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The association of social and clinical factors with the time taken to refer to liaison psychiatry and LOS was assessed using Cox proportional hazards regression and zero\u2010truncated Poisson regression, respectively.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Compared with people who were diagnosed with depression, older adults with psychotic and alcohol use disorders had higher rates of referral to liaison psychiatry (adjusted hazard ratios [aHRs] 1.83 [95% CI: 1.30, 2.59] and aHR 1.69 [95% CI: 1.01, 2.83]) respectively. In adjusted models, LOS was increased in older adults with delusional disorders and shorter in people with alcohol use disorders, personality disorders and learning disabilities, compared to people with depressive diagnoses. Within this cohort, a new definite dementia diagnosis and longer time to refer to liaison psychiatry were both associated with a longer length of general hospital in\u2010patient stay.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>In older adults admitted to general medical hospitals, and needing liaison psychiatry input, timely referral may be associated with a shorter LOS.<\/jats:p><\/jats:sec>","DOI":"10.1002\/gps.5438","type":"journal-article","created":{"date-parts":[[2020,9,25]],"date-time":"2020-09-25T19:05:48Z","timestamp":1601060748000},"page":"423-432","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Time of referral to older adult liaison psychiatry service and other factors affecting length of stay in the general hospital"],"prefix":"10.1002","volume":"36","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5425-0732","authenticated-orcid":false,"given":"Fedza","family":"Mujic","sequence":"first","affiliation":[{"name":"Department of Psychological Medicine South London and Maudsley NHS Foundation Trust Liaison Psychiatry for Older People King's College Hospital  London UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ruth","family":"Cairns","sequence":"additional","affiliation":[{"name":"Department of Psychological Medicine South London and Maudsley NHS Foundation Trust Liaison Psychiatry for Older People King's College Hospital  London UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3913-6859","authenticated-orcid":false,"given":"Jayati","family":"Das\u2010Munshi","sequence":"additional","affiliation":[{"name":"Department of Psychological Medicine South London and Maudsley NHS Foundation Trust Liaison Psychiatry for Older People King's College Hospital  London UK"},{"name":"Department of Psychological Medicine Institute of Psychology, Psychiatry and Neuroscience (IoPPN), King's College London  London UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,10,5]]},"reference":[{"key":"e_1_2_9_2_1","volume-title":"Transforming urgent and emergency care services in England. 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