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A systematic review and meta-analysis of regional risk factors for critical outcomes of COVID-19 during early phase of the pandemic
AbstractThe mortality rates of COVID-19 vary across the globe. While some risk factors for poor prognosis of the disease are known, regional differences are suspected. We reviewed the risk factors for critical outcomes of COVID-19 according to the location of the infected patients, from various literature databases from January 1 through June 8, 2020. Candidate variables to predict the outcome included patient demographics, underlying medical conditions, symptoms, and laboratory findings. Thedoi:10.1038/s41598-021-89182-8 pmid:33963250 fatcat:sjg33wxhnrg55osljxhgq5ykou