Comparisons of immune-related indices in COVID-19 patients classified by disease severity and sex
Cell counts of whole blood cell (A) and lymphocyte subset (B) and the cell proportions of lymphocyte subset, consist of CD3-CD16+CD56+, CD3+CD4+, CD3+CD8+, CD3-CD19+ and CD3+,which represents NK cell, CD4+ T cell, CD8+ T cell, total B lymphocyte and total T lymphocyte, respectively (C) of patients with COVID-19, classified into four groups according to the disease severity, moderate (male = 10, female = 18) and severe (male = 3, female = 5), and patient sex, male (M) and female (F). Comparisons were done by the Mann–Whitney U test. *P<0.05; **P<0.01; ***P<0.001; ****P<0.0001.