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. 2022 Sep 2;11(17):5202.
doi: 10.3390/jcm11175202.

Re-Admission of COVID-19 Patients Hospitalized with Omicron Variant-A Retrospective Cohort Study

Irit Ayalon-Dangur  1 , Adi Turjeman  2   3 , Bar Basharim  1 , Noa Bigman-Peer  1 , Einat Magid  2 , Hefziba Green  4   5 , Tzippy Shochat  6 , Alon Grossman  2   7 , Jihad Bishara  2   8 , Noa Eliakim-Raz  1   2   8
Affiliations

Re-Admission of COVID-19 Patients Hospitalized with Omicron Variant-A Retrospective Cohort Study

Irit Ayalon-Dangur et al. J Clin Med. .

Abstract

In accordance with previous publications, re-admission rates following hospitalization of patients with COVID-19 is 10%. The aim of the current study was to describe the rates and risk factors of hospital re-admissions two months following discharge from hospitalization during the fifth wave due to the dominant Omicron variant. A retrospective cohort study was performed in Rabin Medical Center, Israel, from November 2021 to February 2022. The primary outcome was re-admissions with any diagnosis; the secondary outcome was mortality within two months of discharge. Overall, 660 patients were hospitalized with a diagnosis of COVID-19. Of the 528 patients discharged from a primary hospitalization, 150 (28%) were re-admitted. A total of 164 patients (25%) died throughout the follow-up period. A multi-variable analysis determined that elevated creatinine was associated with a higher risk of re-admissions. Rates of re-admissions after discharge during the Omicron wave were considerably higher compared to previous waves. A discharge plan for surveillance and treatment following hospitalization is of great importance in the management of pandemics.

Keywords: COVID-19; Omicron variant; SARS-CoV-2; re-admissions.

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Conflict of interest statement

The authors declare no conflict of interest.

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