Table 1 Demographics of COVID-19 vs Influenza patients

Age, median (IQR)

68

(57–81)

70

(57–80)

0.901

Male

69

(71.9%)

54

(56.3%)

0.024*

Body mass index, median (IQR)^a

27

(24.5–30.7)

26

(23.4–29.5)

0.204

Pregnancy

1

(1.0%)

5

(5.2%)

0.211

 Current

4

(4.2%)

12

(12.5%)

0.033*

 Former

27

(28.1%)

21

(21.9%)

 Never

33

(34.4%)

21

(21.9%)

 Unknown

32

(33.3%)

43

(44.8%)

 Swiss

79

(82.3%)

74

(77.1%)

0.370

 Non-Swiss

17

(17.7%)

22

(22.9%)

 Home

82

(85.4%)

91

(94.8%)

0.030*

 Health care institution^b

14

(14.6%)

5

(5.2%)

 Charlson Comorbidity Index, median (IQR)

1

(0–2)

2

(0–3)

0.027*

 Hypertension

53

(55.2%)

48

(50.0%)

0.470

 Chronic cardiovascular disease

40

(41.7%)

50

(52.1%)

0.148

 Chronic respiratory disease

10

(10.4%)

20

(20.8%)

0.047*

 Chronic renal disease

20

(20.8%)

34

(35.4%)

0.025*

 Chronic liver disease

2

(2.1%)

9

(9.4%)

0.030*

 Diabetes

28

(29.2%)

23

(24.0%)

0.414

 Obesity^c

21

(22.6%)

19

(24.7%)

0.749

 Oncological pathology

8

(8.3%)

25

(26.0%)

0.001*

 Osteoporosis

6

(6.3%)

6

(6.3%)

1.000

 Rheumatologic disease, immunosuppressed

5

(5.2%)

11

(11.5%)

0.235

 Hematologic disease, immunosuppressed

3

(3.1%)

4

(4.2%)

1.000

 Solid organ transplant

0

1

(1.0%)

1.000