Table 1 Baseline demographic characteristics

Age (years)

57 (49–64)

Males

61 (67)

BMI (kg/m²)

31.7 (27.3–36.2)

Disease severity (admission)

 SAPS II (pts.)

40 (34–46)

 SOFA (pts.)

12 (10–14)

Comorbidities

 Charlson comorb. index, pts

1 (0–2)

 Arterial hypertension (n, %)

41 (45)

 Chronic kidney disease (n, %)

2 (2)

 Coronary heart disease (n, %)

7 (8)

 Congestive heart failure (n, %)

4 (4)

 Diabetes mellitus (n, %)

27 (30)

 Chronic lung disease (n, %)

16 (18)

 Smoking (n, %)

11 (12)

Admission from

 Transfer from peripheral ward

8 (9)

 Transfer from emergency dep

3 (3)

 Transfer from other hospital

80 (88)

Outcome

 Duration ICU stay (days)

33 (16–57)

 Duration hospital stay (days)

37 (19–63)

 ICU mortality

59 (65)

 28-day mortality

35 (38)

 90-day mortality

57 (63)