Authors
Kensuke Shoji, Shinya Tsuzuki, Takayuki Akiyama, Nobuaki Matsunaga, Yusuke Asai, Setsuko Suzuki, Noriko Iwamoto, Takanori Funaki, Masaki Yamada, Nobuaki Ozawa, Koushi Yamaguchi, Isao Miyairi, Norio Ohmagari
Publication date
2023/1/1
Journal
Journal of Infection and Chemotherapy
Volume
29
Issue
1
Pages
33-38
Publisher
Elsevier
Description
Background
Information regarding effects of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variant strains on clinical manifestations and outcomes of coronavirus disease 2019 (COVID-19) in pregnant women is limited.
Methods
A retrospective observational study was conducted using the data from the nationwide COVID-19 registry in Japan. We identified pregnant patients with symptomatic COVID-19 hospitalized during the study period. The Delta and Omicron variants of concern (VOC) predominant periods were defined as August 1 to December 31, 2021 and January 1 to May 31, 2022, respectively. Clinical characteristics were compared between the patients in the Delta and Omicron VOC periods. In addition, logistic regression analysis was performed to identify risk factors for developing moderate-to-severe COVID-19.
Results
During the study period, 310 symptomatic COVID-19 cases of …
Total citations
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