Table 2 Main ventilator settings

Level of support

12.5 [4–20] cmH2O

0.8 [0.2–3] cmH2O/μvolt

Inspiratory trigger

flow

-

Expiratory trigger (%)

30 [21–40]

-

Asynchrony

- number (events/min)

1 [0–17]

0.46 [0.08–7.84]

0.0006*

-AI (%)

3..37 [0–34.47]

1.73 [0.24–20]

0.0015*

- number of patients with an AI > 10 %

9/30 (30 %)

5/30 (16.6 %)

0.0013*

Ineffective efforts

- number (events/min)

0.22 [0–16.96]

0.22 [0–7.64]

0.0259*

- percentage (%)

0.94 [0–34.4]

0.77 [0–17.73]

0.0369*

Autotriggering

- number (events/min)

0.18 [0–2.76]

0.04 [0–0.48]

0.0100*

- percentage (%)

0.71 [0–9.54]

0.19 [0–2.94]

0.0385*

Double triggering

- number (events/min)

0.1 [0–4.72]

0.20 [0–4.76]

0.036*

- percentage (%)

0.71 [0–9.54]

0.76 [0–18.9]

0.046*

VT

- ml/Kg of PBW

6.6 [4.3–12.2]

6.7 [5.2–10.6]

0.48

- percentage of patients with a VT between 6 and 8 mlkg of PBW

43.3

60

0.016*

- Variability

0.12 [0.01–0.41]

0.13 [0.02–0.91]

0.18

- Variability > 13 % (%)

33

53

0.04*