Table 1 COVID-19 Convalescent Donor Demographics and Blood Counts

Sex (n, %)

 Male

75 (46.6)

23 (57.5)

–

 Female

87 (53.3)

17 (42.5)

–

 Age (years)

49.3 ± 6.2

50.9 ± 14.5

ns

Ethnicity (n, %)

 Caucasian

122 (75.3)

25 (62.5)

–

 African American

13 (8.0)

7 (17.5)

–

 Asian

11 (6.7)

5 (12.5)

–

 Hispanic

7 (4.3)

2 (5)

–

 Mixed

4 (1.2)

–

 Others

2 (0.6)

1 (2.5)

–

 Declined

2 (0.6)

-

–

 Unknown

1 (0.3)

-

–

BMI

27.7 ± 6.2

Cell counts at baseline#

 WBC (4.5–11.0 × 10⁹/L)

6.2 ± 1.4

5.1 ± 1.4

0.0017

 Hemoglobin (13.2–16.6 gm/dL)

13.7 ± 1.21

13.7 ± 1.6

ns

 Platelets (150–400 × 10⁹/L)

231.8 ± 49.9

231.2 ± 54.2

ns

 Neutrophil Absolute (ANC) (2.5–7.5 × 10⁹/L)

3.6 ± 1.1

2.8 ± 0.8

0.0315

 Lymphocytes Absolute (ALC) (1.0–4.0 × 10⁹/L)

1.8 ± 0.5

1.3 ± 0.2

0.0103

 Monocytes Absolute (AMC) (0.2–0.8 × 10⁹/L)

0.51 ± 0.12

0.34 ± 0.08

 < 0.0001

 Eosinophils Absolute (0–0.5 × 10⁹/L)

0.15 ± 0.11

0.20 ± 0.07

ns

 Basophils Absolute (0.00–0.30 × 10⁹/L)

0.04 ± 0.02

0.04 ± 0.01

ns