Table 1 Summary of sero-negative, acute, and convalescent-phase of COVID-19 patients from which the plasma ACE2+ EVs and RBD-IgG levels were measured.

From: Circulating ACE2-expressing extracellular vesicles block broad strains of SARS-CoV-2

 

Sero-negative (N = 5)

CSB convalescent (N = 61)

CBB acute phase cohort (N = 23)

 

Mean/count

SD (%)

Mean/count

SD (%)

Mean/count

SD (%)

Age, years

39.7

15.9

42.9

15.0

61.5

15.4

Sex, male

0

0.0%

23

36.9%

13

56.5%

Race

 Black

0

0.0%

6

9.4%

9

39.1%

 White

3

60.0%

37

57.8%

9

39.1%

 Asian

0

0.0%

4

6.3%

1

4.4%

 Other

2

40.0%

17

26.6%

4

17.4%

SOFA scorea

NA (N = 0)

NA

6.0 (N = 4)

3.4

8.6 (N = 14)

4.1

Intermediate to advanced interventions

 Vasopressor use

0

0.0%

4

6.3%

10

43.5%

 High flow nasal cannula

0

0.0%

2

3.1%

12

52.2%

 Non-invasive ventilation

0

0.0%

1

1.6%

3

13.0%

 Mechanical ventilation

0

0.0%

3

4.7%

13

56.5%

Length of stay (LOS, days)

 ICU patients

NA (N = 0)

NA

22.4 (N = 5)

16.1

31.3 (N = 15)

16.7

 Inpatients

NA (N = 0)

NA

5.1 (N = 7)

3.0

9.5 (N = 8)

5.7

Onset to sampling, days

NA

NA

87.5

47.8

12.9

9.4

  1. aThe SOFA score was calculated on ICU patients only. All patients are alive at the time of preparing this manuscript.