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 …

Background: New evidence from retrospective cohort studies on risk of death from COVID-
19 infection became available. We aimed to systematically review the clinical risk factors for …

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 …

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 …

Background The challenge of COVID-19 is very high globally due to a lack of proven
treatment and the complexity of its transmission. The prevalence of in-hospital mortality …

Mortality rates of coronavirus disease‐2019 (COVID‐19) continue to rise across the world.
Information regarding the predictors of mortality in patients with COVID‐19 remains scarce …

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

Introduction COVID-19 has become a serious global pandemic. This study investigates the
clinical characteristics and the risk factors for COVID-19 mortality and establishes a novel …