Background: The aim of this systematic review is to summarize the best available evidence
regarding individual risk factors, simple risk scores, and multivariate models that use patient …

Background Understanding the risk factors for poor outcomes among COVID-19 patients
could help identify vulnerable populations who would need prioritisation in prevention and …

Background COVID-19 has been reported in over 40million people globally with variable
clinical outcomes. In this systematic review and meta-analysis, we assessed demographic …

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 Objective Coronavirus disease 2019 (COVID-19) caused by the severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2) remains pandemic with considerable …

Abstract Background Coronavirus disease 2019 (COVID-19) pandemic continues to
escalate intensively worldwide. Massive studies on general populations with SARS-CoV-2 …

Objective Risk factors for in-hospital mortality in confirmed COVID-19 patients have been
summarized in numerous meta-analyses, but it is still unclear whether they vary according to …

Key message This rapid review is an update of a version published on May 12th, 2020. In
this review, only peer-reviewed population-based studies with more than 5000 laboratory …

Background Identification of reliable outcome predictors in coronavirus disease 2019
(COVID‐19) is of paramount importance for improving patient's management. Methods A …

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 …