Effects of TCZ therapy on markers. Only those with data are shown in the figure. FL--Gal9 (A), Tr-Gal9 (B), FL-OPN (C), Ud-OPN (D), CRP (E), Lymphocyte (F), SpO2 (G), S/F ratio (H). TCZ; tocilizumab, **** p < 0.0001, *** p < 0.001, ** p < 0.01, * p < 0.05.