CD163 and COVID-19: As shown in Fig. 4C, the levels of sCD14 (GM of 254.3 pg/ml in mild, 1011 pg/ml in severe, p < 0.0001), CRP (GM of 48.9 pg/ml in mild, 108.2 pg/ml in severe, p < 0.0001), sCD163 (GM of 1653 pg/ml in mild, 5877 pg/ml in severe, p < 0.0001), and sTF (GM of 74 pg/ml in mild, 281 pg/ml in severe, p < 0.0001) were significantly higher in severe compared to mild COVID-19.