Table 1 Comparing demographic and laboratory data between all Cases of COVID (COV-HD+ COV groups) and control (HD group)

Number

60

40

 Male

30 (50)

17 (42.5%)

0.54 ^a

 Female

30 (50)

23 (57.5%)

 Hemoglobin (mg/dl)

10.3 (6.5–17.6)

10.1 (7.7–14.8)

0.28 ^a

 Total WBCs (cell/ μl)

7600 (3200–22,500)

6350 (2300–10,200)

0.02 ^a

 Neutrophil (cell/ μl)

5402 (2080–18,225)

3270 (782–6796)

< 0.001 ^a

 Lymphocyte (cell/ μl)

1137 (480–5000)

1722 (665–3276)

0.002 ^a

 NL ratio (%)

3.44 (1.44–21.7)

1.88 (0.7–4.99)

< 0.001 ^a

 CD4+ T cells (cell/ μl)

45.1 (1.9–397.6)

125.2 (7.36–1162.9)

0.001 ^a

 Tregs (cell/ μl)

0.016 (0–5.77)

0.28 (0–140.9)

< 0.001 ^a

 CD39+ Tregs (cell/ μl)

0.0031 (0–5.6)

0.049 (0–135.3)

0.001 ^a