Table 1 Presence of pre-existing diseases according to COVID-19 status (n.a. = not applicable)

Number of Patients

43

668

Overall previous diseases

27 (62.79%)

156 (23.35%)

<  0.0001

Stroke

1 (2.33%)

2 (0.3%)

0.1709

Myocardial Infarction

2 (4.65%)

9 (1.35%)

0.1390

Chronic Heart Disease

1 (2.33%)

23 (3.4%)

1.0000

Inflammatory Bowel Disease

0

8 (1.2%)

1.0000

Rheumatological Disorder

1 (2.33%)

14 (2.10%)

0.6115

Transplantation

0

3 (0.45%)

1.0000

Kidney Disease

4 (9.30%)

3 (0.45%)

0.0004

Dialysis

0

0

n.a.

Autoimmune Liver Disease

0

1 (0.15%)

1.0000

Liver Cirrhosis

1 (2.33%)

2 (0.30%)

0.1709

Lung Disease

5 (11.63%)

72 (10.78%)

0.8010

Lupus

0

2 (0.30%)

1.0000

Hypertension

4 (9.30%)

34 (5.1%)

0.2787

Endocrine disorder

2 (4.65%)

28 (4.2%)

0.7017

Diabetes

1 (2.33%)

21 (3.1%)

1.0000

Allergic disorders

1 (2.33%)

33 (4.9%)

0.7146

Other

4 (9.30%)

69 (10.3%)

1.0000