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. 2023 Feb 17;16:565–580. doi: 10.2147/IJGM.S402206

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© 2023 Smail et al.

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Kaplan-Meier curve of (a) Age (b) Gender and (c) Comorbidities based on mortality in COVID-19 patients. 0: refers to COVID-19 patients without comorbidities, 1: refers to COVID-19 patients with comorbidities.