Background: The pandemic of Coronavirus Disease 2019 (COVID-19) has been a threat to
global health. In the US, the Centers for Disease Control and Prevention (CDC) has listed 12 …

Background Estimating the risk of pre-existing comorbidities on coronavirus disease 2019
(COVID-19) mortality may promote the importance of targeting populations at risk to improve …

Background Comprehensive evidence synthesis on the associations between comorbidities
and behavioural factors with hospitalisation, intensive care unit (ICU) admission, and death …

Background The novel coronavirus disease 2019 (COVID-19) has infected 1.9% of the world
population by May 2, 2021. Since most previous studies that examined risk factors for …

Aim To estimate the prevalence of both cardiometabolic and other co‐morbidities in patients
with COVID‐19, and to estimate the increased risk of severity of disease and mortality in …

Background Coronavirus disease 2019 (COVID-19), the most hectic pandemic of the era, is
increasing exponentially and taking thousands of lives worldwide. This study aimed to …

Since late December 2019 a new epidemic outbreak has emerged from Whuhan, China.
Rapidly the new coronavirus has spread worldwide. China CDC has reported results of a …

Background At the beginning of June 2020, there were nearly 7 million reported cases of
coronavirus disease 2019 (COVID-19) worldwide and over 400,000 deaths in people with …

Several comorbidities have been shown to be associated with coronavirus disease 2019
(COVID-19) related severity and mortality. However, considerable variation in the …

Background and objectives With the increase in the number of COVID-19 infections, the
global health apparatus is facing insufficient resources. The main objective of the current …