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 …

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

Objective We aimed to describe the associations of age and sex with the risk of COVID-19 in
different severity stages ranging from infection to death. Design Systematic review and meta …

Pada awal 2020, dunia dikejutkan dengan mewabahnya pneumonia baru yang bermula
dari Wuhan, Provinsi Hubei yang kemudian menyebar dengan cepat ke lebih dari 190 …

Background Many studies on COVID-19 have reported diabetes to be associated with
severe disease and mortality, however, the data is conflicting. The objectives of this meta …

Various comorbidities represent risk factors for severe coronavirus disease 2019 (COVID‐
19). The impact of smoking on COVID‐19 severity has been previously reported in several …

Background and purpose The objective of our systematic review is to identify prognostic
factors that may be used in decision-making related to the care of patients infected with …

Introduction Smoking depresses pulmonary immune function and is a risk factor contracting
other infectious diseases and more serious outcomes among people who become infected …

Soaring cases of coronavirus disease (COVID-19) are pummeling the global health system.
Overwhelmed health facilities have endeavored to mitigate the pandemic, but mortality of …

Objective To review and appraise the validity and usefulness of published and preprint
reports of prediction models for prognosis of patients with covid-19, and for detecting people …