Epidemiological and clinical features of COVID-19 patients with and without pneumonia in Beijing, China
Penghui Yang, Yibo Ding, Zhe Xu, Rui Pu, Ping Li, Jin Yan, Jiluo Liu, Fanping Meng, Lei Huang, Lei Shi, Tianjun Jiang, Enqiang Qin, Min Zhao, Dawei Zhang, Peng Zhao, Lingxiang Yu, Zhaohai Wang, Zhixian Hong, Zhaohui Xiao, Qing Xi, Dexi Zhao, Peng Yu, Caizhong Zhu, Zhu Chen, Shaogeng Zhang, Junsheng Ji, Guangwen Cao, Fusheng Wang
doi: https://doi.org/10.1101/2020.02.28.20028068
Abstract
Background:SARS-CoV-2-caused coronavirus disease (COVID-19) is posinga large casualty. The features of COVID-19patients withand without pneumonia,SARS-CoV-2 transmissibility in asymptomatic carriers, and factors predicting disease progression remain unknown. Methods: We collected information on clinical characteristics, exposure history, andlaboratory examinations of all laboratory-confirmed COVID-19 patients admitted to PLA General Hospital. Cox regression analysis was applied to identify prognostic factors. The last follow-up was February 18, 2020.
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