Abstract Background An epidemic of Coronavirus Disease 2019 (COVID-19) began in
December 2019 and triggered a Public Health Emergency of International Concern (PHEIC) …

This meta‐analysis aims to screen the risk factors for severe illness and death and provide
help for early clinical treatment of the new coronavirus (COVID‐19). Based on a …

Abstract Background Recently, Coronavirus Disease 2019 (COVID-19) outbreak started in
Wuhan, China. Although the clinical features of COVID-19 have been reported previously …

Our study aimed to systematically analyse the risk factors of coronavirus disease 2019
(COVID-19) patients with severe disease. An electronic search in eight databases to identify …

Our understanding of the Coronavirus disease 2019 (COVID-19) continues to evolve and
there are many unknowns about its epidemiology. This study aims to synthesise case fatality …

Background Mortality rates of coronavirus disease-2019 (COVID-19) continue to rise across
the world. The impact of several risk factors on coronavirus mortality has been previously …

Introduction Progression of COVID-19 to severe disease and death is insufficiently
understood. Objective Summarize the prevalence of risk factors and adverse outcomes and …

Objectives The main aim of this study was to find the prevalence of mortality among
hospitalized COVID-19 infected patients and associated risk factors for death. Methods …

Since December 2019, the pneumonia cases infected with 2019 novel coronavirus have
appeared, posing a critical threat to global health. In this study, we performed a meta …

Abstract Purpose Coronavirus disease 2019 (COVID-19) is an emerging disease that was
first reported in Wuhan city, the capital of Hubei province in China, and has subsequently …