Table 1 Demographical and clinical characteristics of the enrolled subjects

N (%)

23 (56.1)

18 (43.9)

–

Age median (IQR)

45 (35–57)

48.5 (33.25–59.5)

0.73*

Male N (%)

19 (82.6)

11 (61.1)

0.123^§

Origin N (%)

0.014^§

 West Europe

11 (48)

15 (83)

 East Europe

0 (0)

2 (11)

 Asia

9 (39)

0 (0)

 Africa

1 (4.3)

0 (0)

 South America

2 (8.7)

1 (6)

Swab positive results N (%)

23 (100)

0 (0)

Serology results IgM. N (%)

 IgM +

12 (52.2)

0 (0)

 IgM −

11 (47.8)

18 (100)

Serology results IgG. N (%)

 IgG +

13 (56.5)

0 (0)

 IgG −

8 (34.8)

18 (100)

 IgG doubtful

2 (8.7)

0 (0)

Severity N (%)^a

 Asymptomatic

2 (8.7)

–

 Mild

3 (13)

–

 Moderate

11 (48)

–

 Severe

5 (21.7)

–

 Critical

2 (8.6)

–

 Cortisone N (%)

6 (26)

–

Severity of patients taking cortisone N (%)

 Asymptomatic

0 (0)

–

 Mild

0 (0)

–

 Moderate

2 (33)

–

 Severe

3 (50)

–

 Critical

1 (17)

–