Clinical characteristics of asymptomatic carriers of novel coronavirus disease 2019: A multi-center study in Jiangsu Province

Asymptomatic SARS-CoV-2-infected individuals are thought to play major roles in virus transmission. This study aimed to analyze the characteristics of asymptomatic carriers with COVID-19 to control the spread of the virus. We retrospectively investigated the clinical characteristics of 648 consecuti...

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Autores principales: Jiaxin Chen, Tao Han, Mao Huang, Yi Yang, Futai Shang, Yishan Zheng, Wenjing Zhao, Liang Luo, Xudong Han, Aihua Lin, Hongsheng Zhao, Qin Gu, Yi Shi, Jun Li, Xingxiang Xu, Kexi Liu, Yijun Deng, Enzhi Jia, Quan Cao
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Publicado: Taylor & Francis Group 2020
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spelling oai:doaj.org-article:153f402d001b418eb3229f9cb556fb712021-11-17T14:21:59ZClinical characteristics of asymptomatic carriers of novel coronavirus disease 2019: A multi-center study in Jiangsu Province2150-55942150-560810.1080/21505594.2020.1840122https://doaj.org/article/153f402d001b418eb3229f9cb556fb712020-12-01T00:00:00Zhttp://dx.doi.org/10.1080/21505594.2020.1840122https://doaj.org/toc/2150-5594https://doaj.org/toc/2150-5608Asymptomatic SARS-CoV-2-infected individuals are thought to play major roles in virus transmission. This study aimed to analyze the characteristics of asymptomatic carriers with COVID-19 to control the spread of the virus. We retrospectively investigated the clinical characteristics of 648 consecutive subjects who were enrolled in the study and were divided into asymptomatic carriers, mild cases, ordinary cases, severe or critical cases, and evaluated their impact on disease severity by means of Spearman correlation and multiple regression analyses. Receiver operating characteristic curve analysis was conducted to determine the optimum cutoff levels of laboratory findings for diagnostic predictors of asymptomatic carriers of COVID-19. In our study, a total of 648 subjects on admission with a mean age of 45.61 y including 345 males and 303 females were enrolled in our study. The leukocyte, lymphocyte, eosinophil, platelet, C-reactive protein, interleukin-6, CD3+, CD4+, and CD8 + T lymphocyte levels, and the erythrocyte sedimentation rate differed significantly among the groups (all p ≤ 0.05). Disease severity was negatively associated with the CD3+ (r = −0.340; p < 0.001), CD4+ (r = −0.290; p = 0.001) and CD8+ (r = −0.322; p < 0.001) T lymphocyte levels. The significant diagnostic predictors of asymptomatic carriers of COVID-19 included the blood cell, cytokine, and T lymphocyte subset levels. Inflammation and immune response may play important roles in disease progression. Hence, the laboratory parameters identified should be considered in clinical practice, which provide new insights into the identification of asymptomatic individuals and the prevention of virus transmission.Jiaxin ChenTao HanMao HuangYi YangFutai ShangYishan ZhengWenjing ZhaoLiang LuoXudong HanAihua LinHongsheng ZhaoQin GuYi ShiJun LiXingxiang XuKexi LiuYijun DengEnzhi JiaQuan CaoTaylor & Francis Grouparticlenovel coronavirus disease-19covid-19severe acute respiratory syndrome coronavirus 2sars-cov-2asymptomatic carriersimmune responseinflammatory markerdisease severity of covid-19Infectious and parasitic diseasesRC109-216ENVirulence, Vol 11, Iss 1, Pp 1557-1568 (2020)
institution DOAJ
collection DOAJ
language EN
topic novel coronavirus disease-19
covid-19
severe acute respiratory syndrome coronavirus 2
sars-cov-2
asymptomatic carriers
immune response
inflammatory marker
disease severity of covid-19
Infectious and parasitic diseases
RC109-216
spellingShingle novel coronavirus disease-19
covid-19
severe acute respiratory syndrome coronavirus 2
sars-cov-2
asymptomatic carriers
immune response
inflammatory marker
disease severity of covid-19
Infectious and parasitic diseases
RC109-216
Jiaxin Chen
Tao Han
Mao Huang
Yi Yang
Futai Shang
Yishan Zheng
Wenjing Zhao
Liang Luo
Xudong Han
Aihua Lin
Hongsheng Zhao
Qin Gu
Yi Shi
Jun Li
Xingxiang Xu
Kexi Liu
Yijun Deng
Enzhi Jia
Quan Cao
Clinical characteristics of asymptomatic carriers of novel coronavirus disease 2019: A multi-center study in Jiangsu Province
description Asymptomatic SARS-CoV-2-infected individuals are thought to play major roles in virus transmission. This study aimed to analyze the characteristics of asymptomatic carriers with COVID-19 to control the spread of the virus. We retrospectively investigated the clinical characteristics of 648 consecutive subjects who were enrolled in the study and were divided into asymptomatic carriers, mild cases, ordinary cases, severe or critical cases, and evaluated their impact on disease severity by means of Spearman correlation and multiple regression analyses. Receiver operating characteristic curve analysis was conducted to determine the optimum cutoff levels of laboratory findings for diagnostic predictors of asymptomatic carriers of COVID-19. In our study, a total of 648 subjects on admission with a mean age of 45.61 y including 345 males and 303 females were enrolled in our study. The leukocyte, lymphocyte, eosinophil, platelet, C-reactive protein, interleukin-6, CD3+, CD4+, and CD8 + T lymphocyte levels, and the erythrocyte sedimentation rate differed significantly among the groups (all p ≤ 0.05). Disease severity was negatively associated with the CD3+ (r = −0.340; p < 0.001), CD4+ (r = −0.290; p = 0.001) and CD8+ (r = −0.322; p < 0.001) T lymphocyte levels. The significant diagnostic predictors of asymptomatic carriers of COVID-19 included the blood cell, cytokine, and T lymphocyte subset levels. Inflammation and immune response may play important roles in disease progression. Hence, the laboratory parameters identified should be considered in clinical practice, which provide new insights into the identification of asymptomatic individuals and the prevention of virus transmission.
format article
author Jiaxin Chen
Tao Han
Mao Huang
Yi Yang
Futai Shang
Yishan Zheng
Wenjing Zhao
Liang Luo
Xudong Han
Aihua Lin
Hongsheng Zhao
Qin Gu
Yi Shi
Jun Li
Xingxiang Xu
Kexi Liu
Yijun Deng
Enzhi Jia
Quan Cao
author_facet Jiaxin Chen
Tao Han
Mao Huang
Yi Yang
Futai Shang
Yishan Zheng
Wenjing Zhao
Liang Luo
Xudong Han
Aihua Lin
Hongsheng Zhao
Qin Gu
Yi Shi
Jun Li
Xingxiang Xu
Kexi Liu
Yijun Deng
Enzhi Jia
Quan Cao
author_sort Jiaxin Chen
title Clinical characteristics of asymptomatic carriers of novel coronavirus disease 2019: A multi-center study in Jiangsu Province
title_short Clinical characteristics of asymptomatic carriers of novel coronavirus disease 2019: A multi-center study in Jiangsu Province
title_full Clinical characteristics of asymptomatic carriers of novel coronavirus disease 2019: A multi-center study in Jiangsu Province
title_fullStr Clinical characteristics of asymptomatic carriers of novel coronavirus disease 2019: A multi-center study in Jiangsu Province
title_full_unstemmed Clinical characteristics of asymptomatic carriers of novel coronavirus disease 2019: A multi-center study in Jiangsu Province
title_sort clinical characteristics of asymptomatic carriers of novel coronavirus disease 2019: a multi-center study in jiangsu province
publisher Taylor & Francis Group
publishDate 2020
url https://doaj.org/article/153f402d001b418eb3229f9cb556fb71
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