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Mortality in hospit...
Mortality in hospitalized COVID-19 patients was associated with the COVID-19 admission rate during the first year of the pandemic in Sweden
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- Strålin, Kristoffer (författare)
- Karolinska Institutet
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- Wahlström, Erik (författare)
- Natl Board Hlth & Welf, Sweden
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- Walther, Sten (författare)
- Linköpings universitet,Medicinska fakulteten,Institutionen för hälsa, medicin och vård,Region Östergötland, Thorax-kärlkliniken i Östergötland,Varmland Cty Council, Sweden
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- Bennet-Bark, Anna M. (författare)
- Natl Board Hlth & Welf, Sweden
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- Heurgren, Mona (författare)
- Natl Board Hlth & Welf, Sweden
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- Lindén, Thomas (författare)
- Natl Board Hlth & Welf, Sweden
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- Holm, Johanna (författare)
- Natl Board Hlth & Welf, Sweden
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- Hanberger, Håkan (författare)
- Linköpings universitet,Avdelningen för inflammation och infektion,Medicinska fakulteten,Region Östergötland, Infektionskliniken i Östergötland
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(creator_code:org_t)
- 2021-10-06
- 2022
- Engelska.
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Ingår i: Infectious Diseases. - : Taylor & Francis Ltd. - 2374-4235 .- 2374-4243. ; 54:2, s. 145-151
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Abstract
Ämnesord
Stäng
- Introduction Studies from the first pandemic wave found associations between COVID-19 hospital load and mortality. Here, we aimed to study if mortality of hospitalized COVID-19 patients was associated with the COVID-19 admission rate during a full year of the pandemic in Sweden. Method Observational review of all patients admitted to hospital with COVID-19 in Sweden between March 2020 and February 2021 (n = 42,017). Primary outcome was 60-day all-cause mortality related to number of COVID-19 hospital admissions per month/100,000 inhabitants. Poisson regression was used to estimate the relative risk for death by month of admission, adjusting for pre-existing factors. Results The overall mortality was 17.4%. Excluding March 2020, mortality was clearly correlated to the number of COVID-19 admissions per month (coefficient of correlation rho=.96; p<.0001). After adjustment for pre-existing factors, the correlation remained significant (rho=.75, p=.02). Patients admitted in December (high admission rate and high mortality) had more comorbidities and longer hospital stays, and patients treated in intensive care units (ICU) had longer pre-ICU hospital stays and worse respiratory status on ICU admission than those admitted in July to September (low admission rate and low mortality). Conclusion Mortality in hospitalized COVID-19 patients was clearly associated with the COVID-19 admission rate. Admission of healthier patients between pandemic waves and delayed ICU care during wave peaks could contribute to this pattern. The study supports measures to flatten-the-curve to reduce the number of COVID-19 patients admitted to hospital.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kirurgi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Surgery (hsv//eng)
Nyckelord
- COVID-19; SARS-CoV-2; mortality; nationwide; Sweden
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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