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 …

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 …

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 Coronavirus disease (COVID-19) is an infectious disease caused by a
newly discovered coronavirus. Although general and local public health report deathly …

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: 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: 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 …

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 …