CRP and COVID-19: Patients with COVID-19 had a longer time of ICU care (COVID-19; 39.6 days, non-COVID-19; 21.8 days p < 0.001), exhibited lower hemoglobin values and significantly increased levels of C-reactive protein, erythrocyte sedimentation rate, and Ferritin, compared to non-COVID-19 Controls consistent with increased inflammation and immune response (Table 1).