Retrospective Study
Copyright ©The Author(s) 2023. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Clin Infect Dis. Nov 22, 2023; 13(4): 37-48
Published online Nov 22, 2023. doi: 10.5495/wjcid.v13.i4.37
Analysis of clinical characteristics and risk factors between elderly patients with severe and nonsevere Omicron variant infection
Xiao-Qin Liu, Guan-Zhu Lu, Dong-Lin Yin, Yao-Yue Kang, Yuan-Yuan Zhou, Yu-Huan Wang, Jie Xu
Xiao-Qin Liu, Guan-Zhu Lu, Dong-Lin Yin, Yao-Yue Kang, Yuan-Yuan Zhou, Yu-Huan Wang, Jie Xu, Department of Infectious Disease, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
Author contributions: Liu XQ designed the research study, analysed the data, and wrote the manuscript; Lu GZ, Yin DL, Kang YY, Zhou YY, and Wang YH collected and analysed the data; Xu J designed the research study and reviewed and revised the paper.
Institutional review board statement: This study was reviewed and approved by the Ethics Committee of the Ninth People’s Hospital Affiliated to Shanghai Jiao Tong University School of Medicine (Ethics Approval No.: SH9H-2022-T139-1).
Informed consent statement: As the study used anonymous and pre-existing data, the requirement for the informed consent from patients was waived.
Conflict-of-interest statement: We have no financial relationships to disclose.
Data sharing statement: No additional data are available.
Open-Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: https://creativecommons.org/Licenses/by-nc/4.0/
Corresponding author: Jie Xu, MD, Chief Physician, Department of Infectious Disease, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Manufacturing Bureau Road, Huangpu District, Shanghai 200011, China. xujie@shsmu.edu.cn
Received: October 3, 2023
Peer-review started: October 3, 2023
First decision: October 24, 2023
Revised: November 2, 2023
Accepted: November 13, 2023
Article in press: November 13, 2023
Published online: November 22, 2023
Core Tip

Core Tip: Since March 2022, the Omicron wave has affected Shanghai, China. Many elderly patients with severe and nonsevere Omicron severe acute respiratory syndrome coronavirus 2 variant infections have been admitted to our hospital. These patients have a precise diagnosis, complete examination, and clear treatment results. After China adjusts its coronavirus prevention and control policies in 2023, findings such as those in this article will no longer be available.