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Full\u2010text studies of patients \u226565\u2009years assessed for prevalent delirium in the ED were included. Risk of bias was assessed using the McMaster University Clarity Group tool. Outcomes measures pertained to the risk stratification method used. Due to heterogeneity of patient populations, risk stratification methods, and outcomes, a meta\u2010analysis was not conducted.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Our search yielded 1878 unique citations, of which 13 were included. Six studies developed a novel delirium risk score with or without evaluation of specific risk factors, six studies evaluated specific risk factors only, and one study evaluated an existing nondelirium risk score for association with delirium. The most common risk factor was history of dementia, with odds ratios ranging from 3.3 (95% confidence interval [CI] 1.2\u20138.9) to 18.33 (95% CI 8.08\u201343.64). Other risk factors that were consistently associated with increased risk of delirium included older age, use of certain medications (such as antipsychotics, antidepressants, and opioids, among others), and functional impairments. Of the studies that developed novel risk scores, the reported area under the curve ranged from 0.77 to 0.90. Only two studies reported potential impact of the risk stratification tool on screening burden.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>There is significant heterogeneity, but results suggest that factors such as dementia, age over 75, and functional impairments should be used to identify older adults who are at highest risk for ED delirium. No studies evaluated implementation of a risk stratification method for delirium screening or evaluated patient\u2010oriented outcomes.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/acem.14939","type":"journal-article","created":{"date-parts":[[2024,6,7]],"date-time":"2024-06-07T04:47:06Z","timestamp":1717735626000},"page":"969-984","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["Risk factors and risk stratification approaches for delirium screening: A\n                    <scp>Geriatric Emergency Department Guidelines<\/scp>\n                    2.0 systematic review"],"prefix":"10.1111","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6912-7315","authenticated-orcid":false,"given":"Justine","family":"Seidenfeld","sequence":"first","affiliation":[{"name":"Center of Innovation to Accelerate Discovery and Practice Transformation (ADAPT) Durham VA Health Care System  Durham North Carolina USA"},{"name":"Department of Emergency Medicine Durham VA Health Care System  Durham North Carolina USA"},{"name":"Department of Emergency Medicine Duke University School of Medicine  Durham North Carolina USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sangil","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Emergency Medicine University of Iowa Carver College of Medicine  Iowa City Iowa USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luna","family":"Ragsdale","sequence":"additional","affiliation":[{"name":"Department of Emergency Medicine Durham VA Health Care System  Durham North Carolina USA"},{"name":"Department of Emergency Medicine Duke University School of Medicine  Durham North Carolina USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christian H.","family":"Nickel","sequence":"additional","affiliation":[{"name":"Emergency Department University Hospital Basel, University of Basel  Basel Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5602-3717","authenticated-orcid":false,"given":"Shan W.","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Emergency Medicine Massachusetts General Hospital  Boston Massachusetts USA"},{"name":"Department of Emergency Medicine Harvard Medical School  Boston Massachusetts USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maura","family":"Kennedy","sequence":"additional","affiliation":[{"name":"Department of Emergency Medicine Massachusetts General Hospital  Boston Massachusetts USA"},{"name":"Department of Emergency Medicine Harvard Medical School  Boston Massachusetts USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,6,7]]},"reference":[{"key":"e_1_2_11_2_1","unstructured":"CairnsCK KangK.National Hospital Ambulatory Medical Care Survey: 2021 Emergency Department Summary Tables. 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