دورية أكاديمية
Severity of COVID-19 among Residents in Aged Care Facilities in Victoria, Australia: A Retrospective Cohort Study Comparing the Delta and Omicron Epidemic Periods.
العنوان: | Severity of COVID-19 among Residents in Aged Care Facilities in Victoria, Australia: A Retrospective Cohort Study Comparing the Delta and Omicron Epidemic Periods. |
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المؤلفون: | Muleme M; Barwon South West Public Health Unit, Barwon Health, Geelong, Victoria, Australia. Electronic address: Michael.Muleme@barwonhealth.org.au., McNamara BJ; Barwon South West Public Health Unit, Barwon Health, Geelong, Victoria, Australia; Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, University of Melbourne, Victoria, Australia., Ampt FH; Western Public Health Unit, Western Health, St. Albans, Victoria, Australia., Baptista M; South East Public Health Unit, Monash Health, Monash, Victoria, Australia., Dittmer J; Loddon Mallee Public Health Unit, Bendigo Health, Bendigo, Victoria, Australia., Osborne A; North Eastern Public Health Unit, Austin Health, Melbourne, Victoria, Australia., Ahmed H; North Eastern Public Health Unit, Austin Health, Melbourne, Victoria, Australia., Hales G; Western Public Health Unit, Western Health, St. Albans, Victoria, Australia., Kabwe M; Loddon Mallee Public Health Unit, Bendigo Health, Bendigo, Victoria, Australia., Main S; North Eastern Public Health Unit, Austin Health, Melbourne, Victoria, Australia., Moreira C; North Eastern Public Health Unit, Austin Health, Melbourne, Victoria, Australia., Silverstein S; South East Public Health Unit, Monash Health, Monash, Victoria, Australia., Sotheran E; Western Public Health Unit, Western Health, St. Albans, Victoria, Australia., Athan E; Barwon South West Public Health Unit, Barwon Health, Geelong, Victoria, Australia., Johnson PDR; North Eastern Public Health Unit, Austin Health, Melbourne, Victoria, Australia., O'Brien DP; Barwon South West Public Health Unit, Barwon Health, Geelong, Victoria, Australia., Sullivan SG; COVID Division, Department of Health, Victoria, Australia. |
المصدر: | Journal of the American Medical Directors Association [J Am Med Dir Assoc] 2023 Apr; Vol. 24 (4), pp. 434-440.e5. Date of Electronic Publication: 2023 Jan 20. |
نوع المنشور: | Journal Article |
اللغة: | English |
بيانات الدورية: | Publisher: Elsevier Country of Publication: United States NLM ID: 100893243 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1538-9375 (Electronic) Linking ISSN: 15258610 NLM ISO Abbreviation: J Am Med Dir Assoc Subsets: MEDLINE |
أسماء مطبوعة: | Publication: 2005- : [New York?] : Elsevier Original Publication: Hagerstown, MD : Lippincott Williams & Wilkins, c2000- |
مواضيع طبية MeSH: | Pandemics* , COVID-19*/epidemiology, Male ; Humans ; Aged ; Victoria/epidemiology ; Retrospective Studies ; Disease Outbreaks |
مستخلص: | Objectives: During the COVID-19 pandemic, no country with widespread community transmission has avoided outbreaks or deaths in residential aged care facilities (RACFs). As RACF residents are at high risk of morbidity and mortality from COVID-19, understanding disease severity risk factors is imperative. Design: This retrospective cohort study aimed to compare COVID-19 disease severity (hospitalization and deaths) and associated risk factors among RACF residents in Victoria, Australia, across Delta and Omicron epidemic periods. Settings and Participants: Resident case hospitalization risk (HR) and case fatality risk (CFR) were assessed using Victorian RACFs COVID-19 outbreaks data across 2 epidemic periods; Delta, 994 resident cases linked to 86 outbreaks; and Omicron, 1882 resident cases linked to 209 outbreaks. Methods: Adjusting for outbreak-level clustering, age, sex, up-to-date vaccination status, and time since last vaccination, the odds of hospitalization and death were compared using mixed effects logistic regression. Results: The HR and CFR was lower during the Omicron period compared with the Delta period [HR 8.2% vs 24.6%, odds ratio (OR) 0.17, 95% CI 0.11-0.26, and CFR: 11.4% vs 18.7%, OR 0.40, 95% CI 0.28-0.56]. During both periods, males had higher odds of hospitalization and odds of death; being up to date with vaccination reduced odds of hospitalization by 40% (excluding nonemergency patient transfers) and odds of death by 43%; and for each month since last vaccination, odds of hospitalization increased by 9% and odds of death by 16%. Conclusions and Implications: This study provides empirical evidence of lower COVID-19 severity among RACF residents in the Omicron period and highlights the importance of up-to-date and timely vaccination to reduce disease severity in this cohort. (Copyright © 2023 AMDA – The Society for Post-Acute and Long-Term Care Medicine. All rights reserved.) |
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فهرسة مساهمة: | Keywords: COVID-19 severity outcomes; residential aged care facilities; vaccination |
تواريخ الأحداث: | Date Created: 20230222 Date Completed: 20230404 Latest Revision: 20230516 |
رمز التحديث: | 20230516 |
مُعرف محوري في PubMed: | PMC9852301 |
DOI: | 10.1016/j.jamda.2023.01.006 |
PMID: | 36806486 |
قاعدة البيانات: | MEDLINE |
تدمد: | 1538-9375 |
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DOI: | 10.1016/j.jamda.2023.01.006 |