{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,19]],"date-time":"2026-10-19T23:33:40Z","timestamp":1792452820866,"version":"4.5.0"},"reference-count":53,"publisher":"American Medical Association (AMA)","issue":"7","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JAMA Netw Open"],"abstract":"<jats:sec id=\"ab-zoi240635-4\"><jats:title>Importance<\/jats:title><jats:p>Older adults who are hospitalized for COVID-19 are at risk of delirium. Little is known about the association of in-hospital delirium with functional and cognitive outcomes among older adults who have survived a COVID-19 hospitalization.<\/jats:p><\/jats:sec><jats:sec id=\"ab-zoi240635-5\"><jats:title>Objective<\/jats:title><jats:p>To evaluate the association of delirium with functional disability and cognitive impairment over the 6 months after discharge among older adults hospitalized with COVID-19.<\/jats:p><\/jats:sec><jats:sec id=\"ab-zoi240635-6\"><jats:title>Design, Setting, and Participants<\/jats:title><jats:p>This prospective cohort study involved patients aged 60 years or older who were hospitalized with COVID-19 between June 18, 2020, and June 30, 2021, at 5 hospitals in a major tertiary care system in the US. Follow-up occurred through January 11, 2022. Data analysis was performed from December 2022 to February 2024.<\/jats:p><\/jats:sec><jats:sec id=\"ab-zoi240635-7\"><jats:title>Exposure<\/jats:title><jats:p>Delirium during the COVID-19 hospitalization was assessed using the Chart-based Delirium Identification Instrument (CHART-DEL) and CHART-DEL-ICU.<\/jats:p><\/jats:sec><jats:sec id=\"ab-zoi240635-8\"><jats:title>Main Outcomes and Measures<\/jats:title><jats:p>Primary outcomes were disability in 15 functional activities and the presence of cognitive impairment (defined as Montreal Cognitive Assessment score &amp;amp;lt;22) at 1, 3, and 6 months after hospital discharge. The associations of in-hospital delirium with functional disability and cognitive impairment were evaluated using zero-inflated negative binominal and logistic regression models, respectively, with adjustment for age, month of follow-up, and baseline (before COVID-19) measures of the respective outcome.<\/jats:p><\/jats:sec><jats:sec id=\"ab-zoi240635-9\"><jats:title>Results<\/jats:title><jats:p>The cohort included 311 older adults (mean [SD] age, 71.3 [8.5] years; 163 female [52.4%]) who survived COVID-19 hospitalization. In the functional disability sample of 311 participants, 49 participants (15.8%) experienced in-hospital delirium. In the cognition sample of 271 participants, 31 (11.4%) experienced in-hospital delirium. In-hospital delirium was associated with both increased functional disability (rate ratio, 1.32; 95% CI, 1.05-1.66) and increased cognitive impairment (odds ratio, 2.48; 95% CI, 1.38-4.82) over the 6 months after discharge from the COVID-19 hospitalization.<\/jats:p><\/jats:sec><jats:sec id=\"ab-zoi240635-10\"><jats:title>Conclusions and Relevance<\/jats:title><jats:p>In this cohort study of 311 hospitalized older adults with COVID-19, in-hospital delirium was associated with increased functional disability and cognitive impairment over the 6 months following discharge. Older survivors of a COVID-19 hospitalization who experience in-hospital delirium should be assessed for disability and cognitive impairment during postdischarge follow-up.<\/jats:p><\/jats:sec>","DOI":"10.1001\/jamanetworkopen.2024.19640","type":"journal-article","created":{"date-parts":[[2024,7,2]],"date-time":"2024-07-02T15:40:18Z","timestamp":1719934818000},"page":"e2419640","source":"Crossref","is-referenced-by-count":25,"title":["In-Hospital Delirium and Disability and Cognitive Impairment After COVID-19 Hospitalization"],"prefix":"10.1001","volume":"7","author":[{"given":"Ramya","family":"Kaushik","sequence":"first","affiliation":[{"name":"Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gail J.","family":"McAvay","sequence":"additional","affiliation":[{"name":"Section of Geriatrics, Department of Internal Medicine, Yale School of Medicine, New Haven, 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