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Erschienen in:

24.05.2022 | original article

Comorbidities and COVID-19 hospitalization, ICU admission and hospital mortality in Austria

A retrospective cohort study

verfasst von: Lukas Rainer, Florian Bachner, Karin Eglau, Herwig Ostermann, Uwe Siebert, Martin Zuba

Erschienen in: Wiener klinische Wochenschrift | Ausgabe 23-24/2022

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Summary

Background

The protection of vulnerable populations is a central task in managing the Coronavirus disease 2019 (COVID-19) pandemic to avoid severe courses of COVID-19 and the risk of healthcare system capacity being exceeded. To identify factors of vulnerability in Austria, we assessed the impact of comorbidities on COVID-19 hospitalization, intensive care unit (ICU) admission, and hospital mortality.

Methods

A retrospective cohort study was performed including all patients with COVID-19 in the period February 2020 to December 2021 who had a previous inpatient stay in the period 2015–2019 in Austria. All patients with COVID-19 were matched to population controls on age, sex, and healthcare region. Multiple logistic regression was used to estimate adjusted odds ratios (OR) of included factors with 95% confidence intervals (CI).

Results

Hemiplegia or paraplegia constitutes the highest risk factor for hospitalization (OR 1.61, 95% CI 1.44–1.79), followed by COPD (OR 1.48, 95% CI 1.43–1.53) and diabetes without complications (OR 1.41, 95% CI 1.37–1.46). The highest risk factors for ICU admission are renal diseases (OR 1.76, 95% CI 1.61–1.92), diabetes without complications (OR 1.57, 95% CI 1.46–1.69) and COPD (OR 1.53, 95% CI 1.41–1.66). Hemiplegia or paraplegia, renal disease and COPD constitute the highest risk factors for hospital mortality, with ORs of 1.5. Diabetes without complications constitutes a significantly higher risk factor for women with respect to all three endpoints.

Conclusion

We contribute to the literature by identifying sex-specific risk factors. In general, our results are consistent with the literature, particularly regarding diabetes as a risk factor for severe courses of COVID-19. Due to the observational nature of our data, caution is warranted regarding causal interpretation. Our results contribute to the protection of vulnerable populations and may be used for targeting further pharmaceutical interventions.
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Metadaten
Titel
Comorbidities and COVID-19 hospitalization, ICU admission and hospital mortality in Austria
A retrospective cohort study
verfasst von
Lukas Rainer
Florian Bachner
Karin Eglau
Herwig Ostermann
Uwe Siebert
Martin Zuba
Publikationsdatum
24.05.2022
Verlag
Springer Vienna
Erschienen in
Wiener klinische Wochenschrift / Ausgabe 23-24/2022
Print ISSN: 0043-5325
Elektronische ISSN: 1613-7671
DOI
https://doi.org/10.1007/s00508-022-02036-9