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Patients' features characteristics
(A) Feature correlation heatmap for top-20 variables selected by MRMR.
(B) Feature distribution of corresponding variables for severity 4. For clarity, logarithmic values with base 2 are plotted for the following variables: Creatine Kinase, Creatinine, CRP, D-Dimer, Ferritin, INR, LDH, Procalcitonin, and Troponin-I.
