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Length of hospital stay and survival of hospitalized COVID-19 patients during the second wave of the pandemic: A single centre retrospective study from Slovenia

Aleš Rozman

Aleš Rozman

  • University Clinic of Respiratory and Allergic Diseases GolnikGolnik, Slovenia
  • University of Ljubljana, Medical FacultyLjubljana, Slovenia
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Rozman, Aleš
, 
Boštjan Rituper

Boštjan Rituper

  • University Clinic of Respiratory and Allergic Diseases GolnikGolnik, Slovenia
  • University of Ljubljana, Medical Faculty, Institute of PathophysiologyLjubljana, Slovenia
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Rituper, Boštjan
, 
Mark Kačar

Mark Kačar

  • University Clinic of Respiratory and Allergic Diseases GolnikGolnik, Slovenia
  • University of Ljubljana, Medical FacultyLjubljana, Slovenia
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Kačar, Mark
, 
Peter Kopač

Peter Kopač

  • University Clinic of Respiratory and Allergic Diseases GolnikGolnik, Slovenia
  • University of Ljubljana, Medical FacultyLjubljana, Slovenia
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Kopač, Peter
, 
Mihaela Zidarn

Mihaela Zidarn

  • University Clinic of Respiratory and Allergic Diseases GolnikGolnik, Slovenia
  • University of Ljubljana, Medical FacultyLjubljana, Slovenia
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Zidarn, Mihaela
 and 
Maja Pohar Perme

Maja Pohar Perme

University of Ljubljana, Medical Faculty, Institute for Biostatistics and Medical InformaticsLjubljana, Slovenia
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Pohar Perme, Maja
  
Sep 28, 2022
Length of hospital stay and survival of hospitalized COVID-19 patients during the second wave of the pandemic: A single centre retrospective study from Slovenia's Cover Image
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Article Category: Original scientific article
Published Online: Sep 28, 2022
Page range: 201 - 208
Received: Jan 30, 2022
Accepted: Jul 28, 2022
DOI: https://doi.org/10.2478/sjph-2022-0027
Keywords
© 2022 National Institute of Public Health, Slovenia, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Figure 1

Age distribution of the hospitalized COVID-19 patients with respect to sex. Left: all patients (n=407); right: patients in intensive care at any time point (n=33).
Age distribution of the hospitalized COVID-19 patients with respect to sex. Left: all patients (n=407); right: patients in intensive care at any time point (n=33).

Figure 2

The probability of length of stay for the hospitalized patients. Left: total time in hospital (based on n=396), middle: in ICU (n=33), right: in a regular ward after ICU discharge (n=17).
The probability of length of stay for the hospitalized patients. Left: total time in hospital (based on n=396), middle: in ICU (n=33), right: in a regular ward after ICU discharge (n=17).

Figure 3

The probability of being in a hospital ward, ICU, discharged or dead in terms of time for the hospitalized COVID-19 patients. Left: probability of being in a certain state with respect to days since being admitted to the hospital (n=396); right: probability of being in a certain state with respect to days since being transferred to ICU (n=33) (from darkest to lightest grey: death, regular ward, ICU and discharge).
The probability of being in a hospital ward, ICU, discharged or dead in terms of time for the hospitalized COVID-19 patients. Left: probability of being in a certain state with respect to days since being admitted to the hospital (n=396); right: probability of being in a certain state with respect to days since being transferred to ICU (n=33) (from darkest to lightest grey: death, regular ward, ICU and discharge).

Figure 4

Multistate model predictions: probability of state occupation in terms of time since hospital admission with respect to sex and age (from darkest to lightest grey: death, regular ward, ICU and discharge).
Multistate model predictions: probability of state occupation in terms of time since hospital admission with respect to sex and age (from darkest to lightest grey: death, regular ward, ICU and discharge).

The results of the multivariate Cox models modelling the hazard of dying and the hazard of being discharged_

Outcome = Death
 Outcome = Discharge
HR 95% CI P value HR 95% CI P value
Age (10yrs) 3.39 [2.35-4.83] <0.001 0.74 [0.67-0.82] <0.001
Sex (M vs F) 2.29 [1.33-3.96] 0.003 0.92 [0.73-1.17] 0.492
ICU 2.88 [1.54-5.41] <0.001 0.25 [0.14-0.45] <0.001
Language:
English
Publication timeframe:
4 times per year
Journal Subjects:
Medicine, Clinical Medicine, Hygiene and Environmental Medicine
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