Table 1 Patient characteristics

Age (years), median [IQR]

62.0

[49.3–72.8]

Female gender, n (%)

32

(44.4)

Weight (kg), median [IQR]

80.0

[65.0–90.0]

Length (cm), median [IQR]

175.0

[165.3–180.0]

BMI (kg/m²), median [IQR]

25.6

[22.7–29.7]

ICU admission type

 Medical, n (%)

58

(80.6)

 Surgical emergency, n (%)

10

(13.9)

 Surgical elective, n (%)

4

(5.6)

Severity of illness

 Max SOFA score, median [IQR]

10.0

[8.0–13.0]

 APACHE IV score, median [IQR]

84.5

[67.0–107.0]

 SAPS, median [IQR]

54.5

[47.0–70.3]

Lung injury at start of ventilation

 ARDS, n (%)

21

(29.2)

 Pneumonia, n (%)

29

(40.3)

 Lowest PaO₂:FiO₂, median [IQR]

172

[145–220]

Comorbidities

 COPD, n (%)

4

(5.6)

 Sepsis, n (%)

43

(58.3)

ICU outcomes

 ICU length of stay (days), median [IQR]

6.5

[4.0–10.0]

 Total MV days, median [IQR]

4.0

[2.8–8.3]

 ICU mortality, n (%)

18

(25.0)