Patient characteristics

Number of patients

Percentage

Age

<40 years old

7

9.9

40 - 59 years old

11

15.5

60 - 79 years old

38

53.5

≥ 80 years old

15

21.1

Sex

Male

51

71.8

Female

20

28.2

Risk factor

Age > 65

43

60.6

Male

51

71.8

Smoking

24

33.7

BMI^a > 30

4

5.6

Mechanical ventilation

51

71.8

Use of vasopressors

40

56.3

Comorbidities

HTA^b

37

52.1

Diabetes

15

21.1

COPD^c

3

4.2

Stroke^d

4

5.6

Heart disease

3

4.2

Asthma

1

1.4

Cancer

1

1.4

Clinical severity

Critical

37

52.1

Severe

31

43.7

Moderate

3

4.2

Associated organic failure

Respiratory

67

94.4

Circulatory

34

47.9

Neurological

26

36.6