Risk factors of critical & mortal COVID-19 cases: A systematic literature review and meta-analysis

Z Zheng, F Peng, B Xu, J Zhao, H Liu, J Peng, Q Li… - Journal of infection, 2020 - Elsevier
Abstract Background An epidemic of Coronavirus Disease 2019 (COVID-19) began in
December 2019 and triggered a Public Health Emergency of International Concern (PHEIC).
We aimed to find risk factors for the progression of COVID-19 to help reducing the risk of
critical illness and death for clinical help. Methods The data of COVID-19 patients until
March 20, 2020 were retrieved from four databases. We statistically analyzed the risk factors
of critical/mortal and non-critical COVID-19 patients with meta-analysis. Results Thirteen …