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This paper is in the following e-collection/theme issue:

Cross-Sectional Studies in Public Health (1277) Surveillance Reports (274) Infectious Diseases (non-STD/STI) (1922) Hygiene and Infection Prevention (436) Outbreak and Pandemic Preparedness and Management (1960)

Published on in Vol 12 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/87597, first published .
Healthcare worker in PPE looks at patient in hospital bed with oxygen mask

Impact of Different COVID-19 Pandemic Phases on Emergency Department Length of Stay and Intensive Care Unit Admission Risk: Single-Center Retrospective Cohort Study

Impact of Different COVID-19 Pandemic Phases on Emergency Department Length of Stay and Intensive Care Unit Admission Risk: Single-Center Retrospective Cohort Study

Authors of this article:

Zehua Wang1 Author Orcid Image ;   Xiangmei Zhao1 Author Orcid Image
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