Summarized clinical, inflammatory, immunological, and viral findings in the non-ACEI/ARB group and the ACE/ARB group. (A) The disease severity distribution of the two groups during hospitalization. (B) The levels of IL-6 and CRP in peripheral blood. (C) Absolute numbers of CD3+, CD4+, and CD8+ T cells in peripheral blood. (D) Viral load on hospital admission and maximum value during hospitalization. The data are expressed as the median and IQR. An unpaired t test was used, and P < 0.05 was considered significant.