Table 1 Patient characteristics

Gender, female (%)

16 (42%)

Height (m)

1,71 ± 0,08

Weight (kg)

81,9 ± 11,7

Body mass index (kg/m²)

28,2 ± 3,7

Predicted body weight (kg)

64,4 ± 9,6

Age (years)

60,7 ± 17,1

pH

7,29 ± 0,13

PaCO₂ (mmHg)

56 ± 16

PaO₂ (mmHg)

92 ± 24

PaO₂/FiO₂ (mmHg/%)

152 ± 52

FiO₂ (%)

64 ± 15

HCO₃ (meq/dL)

22,9 ± 4,9

BE (meq/dL)

−1,9 ± 6,2

∆P_insp (cmH₂O)

16,1 ± 3,0

PEEP (cmH₂O)

9,7 ± 2,0

TV_e/PBW (ml/kg)

7,2 ± 1,4

P_peak (cmH₂O)

25,8 ± 3,0

Minute volume (L/minute)

6,9 ± 1,6

Compliance (ml/cmH₂O)

29,0 ± 7,0

WOBv (J/L)

1,3 ± 0,23

Vee (ml/s)

0,024 ± 0,016

APACHE II score first and last

23 ± 9 and 26 ± 11

Expected mortality (%)

48 ± 25

ICU mortality

22 (58%)

SOFA score first and last

10 ± 4 and 12 ± 6

Length of stay in ICU (days)

16,8 ± 8,2

Invasive mechanical ventilation time (day)

15,0 ± 7,4