Table 2 Patients’ respiratory parameters before the first prone position session, respiratory management and outcome

PaO₂/FiO₂ ratio, mmHg (missing = 5)

78 [67–100]

PEEP, cmH₂O

12 [10–13]

Driving pressure, cmH₂O (missing = 13)

12 [10–14]

Respiratory system compliance, mL/cmH₂O (missing = 13)

34 [27–43]

ICU length of stay, days

19 [12–30]

Duration of mechanical ventilation, days

21 [9–30]

Duration of proning sessions, h

39 [34–42]

Number of proning sessions

2 [1–4]

Continuous neuromuscular blockers

81 (100)

ECMO

17 (21)

Nitric oxide

34 (42)

Renal replacement therapy

5 (6)

ICU mortality

24 (30)

At least one pressure injury

21 (26)

At least one pressure injury of stage III or IV

2 (2)

At least one proning session with catecholamines

37 (46)