Healthcare utilization and adverse outcomes stratified by sex, age and long-term care residency using the Alberta COVID-19 Analytics and Research Database (ACARD): a population-based descriptive study

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dc.contributor.authorRennert-May, Elissa
dc.contributor.authorCrocker, Alysha
dc.contributor.authorD’Souza, Adam G.
dc.contributor.authorZhang, Zuying
dc.contributor.authorChew, Derek
dc.contributor.authorBeall, Reed
dc.contributor.authorVickers, David M.
dc.contributor.authorLeal, Jenine
dc.date.accessioned2023-05-21T00:03:10Z
dc.date.available2023-05-21T00:03:10Z
dc.date.issued2023-05-19
dc.date.updated2023-05-21T00:03:09Z
dc.description.abstractAbstract Background Understanding the epidemiology of Coronavirus Disease of 2019 (COVID-19) in a local context is valuable for both future pandemic preparedness and potential increases in COVID-19 case volume, particularly due to variant strains. Methods Our work allowed us to complete a population-based study on patients who tested positive for COVID-19 in Alberta from March 1, 2020 to December 15, 2021. We completed a multi-centre, retrospective population-based descriptive study using secondary data sources in Alberta, Canada. We identified all adult patients (≥ 18 years of age) tested and subsequently positive for COVID-19 (including only the first incident case of COVID-19) on a laboratory test. We determined positive COVID-19 tests, gender, age, comorbidities, residency in a long-term care (LTC) facility, time to hospitalization, length of stay (LOS) in hospital, and mortality. Patients were followed for 60 days from a COVID-19 positive test. Results Between March 1, 2020 and December 15, 2021, 255,037 adults were identified with COVID-19 in Alberta. Most confirmed cases occurred among those less than 60 years of age (84.3%); however, most deaths (89.3%) occurred among those older than 60 years. Overall hospitalization rate among those who tested positive was 5.9%. Being a resident of LTC was associated with substantial mortality of 24.6% within 60 days of a positive COVID-19 test. The most common comorbidity among those with COVID-19 was depression. Across all patients 17.3% of males and 18.6% of females had an unplanned ambulatory visit subsequent to their positive COVID-19 test. Conclusions COVID-19 is associated with extensive healthcare utilization. Residents of LTC were substantially impacted during the COVID-19 pandemic with high associated mortality. Further work should be done to better understand the economic burden associated with related healthcare utilization following a COVID-19 infection to inform healthcare system resource allocation, planning, and forecasting.
dc.identifier.citationBMC Infectious Diseases. 2023 May 19;23(1):337
dc.identifier.urihttps://doi.org/10.1186/s12879-023-08326-5
dc.identifier.urihttps://hdl.handle.net/1880/116561
dc.identifier.urihttps://dx.doi.org/10.11575/PRISM/dspace/41404
dc.language.rfc3066en
dc.rights.holderThe Author(s)
dc.titleHealthcare utilization and adverse outcomes stratified by sex, age and long-term care residency using the Alberta COVID-19 Analytics and Research Database (ACARD): a population-based descriptive study
dc.typeJournal Article
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