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Receiver operating characteristic (ROC) curves of age (purple semi-dashed line), initial PaO2/FiO2 ratio (blue dashed line), initial high-sensitive cardiac troponin T (hs-cTnT, red line), initial D-Dimer (green dotted line), and initial C reactive protein (CRP, orange dashed and dotted line) for predicting in-hospital mortality in critically ill patients with COVID-19.
