Table 2 Comparison of respiratory parameters between the applied ventilation modes

Respiratory frequency (breaths/min)

24.12 (23.31–26.42)

19.26 (16.74–21.61)

19.59 (12.14–29.35)

20.11 (13.53–24.94)

0.998

Tidal volume (ml/Kg)

4.37 (4.02–5.95)

7.65 (4.49–9.28)

5.86 (3.78–6.03)

4.58 (3.77–7.08)

0.131

pH (units)

7.33 (7.25–7.43)

7.35 (7.31–7.44)

7.33 (7.26–7.41)

7.32 (7.26–7.38)

0.965

PCO₂ (mmHg)

54 (44–62)

43 (24–55)

57 (42–65)

53 (43–67)

0.721

PO₂ (mmHg)

81 (77–95)

80 (63–112)

74 (64–103)

79 (68–105)

0.651

FiO₂ (%)

40 (40–50)

40 (40–50)

40 (40–50)

40(40–50)

N/A

Total PEEP (cmH2O)

11.05 (10.31–11.55)

10.05 (8.42–10.50)

10.00 (4.45–10.81)

10.04 (9.51–10.67)

N/A

Ers (cmH₂O/L)

25.98 (20.17–37.78)

22.24 (20.09–29.19)

25.69 (18.96–29.50)

24.75 (14.75–29.68)

0.688

Rrs (cmH₂O/L/s)

12.15 (10.05–14.61)

15.10 (11.50–18.58)

14.76 (11.99–20.85)

11.84 (10.06–12.67)

0,117

P0.1 (cmH₂O)

N/A

6.12 (3.69–8.26)

5.82 (4.13–10.89)

5.80 (4.22–8.85)

0.907

Delta Muscle Pressure (cmH₂O)

N/A

13.04 (10.06–17.35)

15.77 (10.85–23.38)

16.16 (6.92–17.76)

0.556

PTPpmus (cmH₂O.s/min)

N/A

135.17 (96.55–175.27)

148.74 (112.38–259.94)

156.95 (84.18–335.11)

0.716

WOB (Joule/min)

N/A

13.52 (5.34–18.97)

10.54 (4.87–24.75)

14.39 (4.10–23.78)

0.973

PDist_EM (cmH₂O)

N/A

14.81 (13.97–16.03)*

20.74 (19.75–22.39)

18.91 (17.72–23.65)

< 0.001