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 …

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 …

A systematic review and meta-analysis was conducted in an attempt to systematically collect
and evaluate the associations of epidemiological, comorbidity factors with the severity and …

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 …

Background: The current study aimed to identify effective factors on the death among COVID-
19 patients. Methods: All articles published in the period Jan 1, 2020, to Mar 23, 2020 …

Background: Identification of risk factors for poor prognosis of patients with coronavirus
disease 2019 (COVID-19) is necessary to enable the risk stratification and modify the …

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 …

Abstract Background Coronavirus disease 2019 (COVID-19) is associated with a high
mortality rate, especially in patients with severe illness. We conducted a systematic review …

Aim COVID-19 clinical presentation is heterogeneous, ranging from asymptomatic to severe
cases. While there are a number of early publications relating to risk factors for COVID-19 …

Introduction In the current COVID-19 pandemic, disease diagnosis is essential for optimal
management and timely isolation of infected cases in order to prevent further spread. The …