CRP and COVID-19: Presence of comorbid diseases, chest tomography findings typical for COVID-19, leukocytosis, lymphopenia, neutrophil-lymphocyte ratio (NLR) equal to or above 3.3, elevation of C-reactive protein (CRP), D-dimer, procalcitonin, lactate dehydrogenase (LDH), Fibrinogen and Troponin were factors associated with higher mortality rate (P < 0.001) (Table 1).