Table 2 Comparison of cell counts of total WBCs, total lymphocytes, and lymphocyte subsets in patients with non-severe COVID-19 with the first week of illness and Healthy Donors in Group one

WBC(*10⁹/L)

median (IQR)

6.01 (4.94,6.65)

5.29 (4.21,6.07)

2.677

0.007

LY(*10⁹/L)

median (IQR)

1.85 (1.66,2.46)

1.51 (1.35,1.97)

3.311

0.001

T cell count (cells/mm³), median (IQR)

1303 (1139,1641)

1199 (883,1582)

1.622

0.105

CD4⁺ count (cells/mm³), median (IQR)

711 (567,815)

680 (472,819)

1.272

0.203

CD8⁺ count (cells/mm³), median (IQR)

562 (436,733)

421 (356,709)

1.826

0.068

CD4⁺/CD8⁺ ratio, median (IQR)

1.22 (0.95,1.76)

1.57 (1.01,1.97)

1.303

0.193