Fig. 4From: Characteristics of lymphocyte subset alterations in COVID-19 patients with different levels of disease severityThe number of NK and Treg lymphocyte subsets in COVID-19 patients at hospital admission. A Representative flow cytometry dot plots showing the gating strategy for NK-cell subsets. B The number of NK lymphocyte subsets in 126 COVID-19 patients. C Representative flow cytometry dot plots showing the gating strategy for Treg subsets. D The number of NK lymphocyte subsets in 126 COVID-19 patients. ns, nonsignificant; *p < 0.05; **p < 0.01; ****p < 0.0001. Kruskal‒Wallis test for comparing the mean differenceBack to article page