Table 2 Breathing pattern, respiratory drive, gas exchange, pressurization and triggering performance and patient-ventilator synchrony

 RR_mec (breaths/min)

0.606

23.9 (18.7; 30.6)

26.7 (19.5; 30.6)

27.4 (18.4; 31.7)

 RR_neu (breaths/min)

0.931

25.7 (18.6; 32.9)

26.2 (19.6; 30.7)

26.4 (19.3; 30.8)

 TI_mec (sec)

0.168

0.71 (0.58; 0.87)

0.83 (0.61; 1.11)

0.82 (0.66; 1.04)

 TI_neu (sec)

0.606

0.75 (0.56; 1.10)

0.74 (0.59; 1.10)

0.75 (0.59; 0.96)

 TI/TTOT_mec

0.030

0.30 (0.27; 0.33)

0.33 (0.31; 0.40)*

0.34 (0.29; 0.41)^#

 TI/TTOT_neu

0.606

0.32 (0.26; 0.37)

0.32 (0.28; 0.38)

0.30 (0.26; 0.34)

 Paw_peak

0.607

19.3 (15.1; 21.1)

18.8 (15.4; 21.0)

19.0 (15.2; 20.5)

 Leaks %

0.395

21.4 (8.9; 43.2)

35.9 (15.2; 47.6)

23.2 (11.5; 61.9)

 PIF (l/sec)

0.109

1.12 (0.85; 1.42)

1.05 (0.71; 1.22)

1.20 (0.77; 1.38)

 PIF_time (sec)

<0.001

0.41 (0.34–0.48)

0.41 (0.33–0.58)

0.22 (0.19–0.26)^#§

 EAdi_peak (μV)

0.257

13.7 (7.7; 21.2)

15.3 (8.4; 25.7)

12.6 (6.9; 19.3)

 pH

0.4576

7.43 (7.40; 7.45)

7.43 (7.40; 7.45)

7.43 (7.40; 7.45)

 PaCO₂

0.5134

44.1 (36.2; 50.3)

44.4 (36.1; 51.5)

43.8 (38.2; 50.8)

 PaO₂/FiO₂

0.5103

213.6 (197.9; 224.0)

214.6 (188.1; 238.0)

214.4 (199.0; 226.2)

 PTP_300-index (%)

0.004

24.7 (4.3; 32.7)

25.3 (19.9; 34.0)

42.0 (32.5; 46.5)^#§

 PTP_500-index (%)

0.001

44.2 (23.3; 52.1)

46.4 (33.4; 56.6)

62.6 (54.1; 67.9)^#§

 PTP₂₀₀ (cmH₂O/sec)

0.001

86.7 (77.5; 112.5)

62.1 (45.7; 81.9)*

85.0 (69.6; 127.4)^§

 PTPt (cmH₂O/sec)

<0.001

9.45 (5.89; 12.31)

0.89 (0.23; 3.23)*

0.59 (0.16; 2.33)^#

 ΔP_trigger (cmH₂O)

<0.001

−1.16 (−1.40; −0.87)

−0.36 (−0.78; −0.11)*

−0.32 (−0.71; −0.11)^#

 Delay_TR-insp (sec)

<0.001

0.13 (0.08; 0.27)

0.07 (0.03; 0.06)*

0.05 (0.04; 0.06)^#

 Delay_TR-exp (sec)

0.395

0.13 (0.05; 0.22)

0.10 (0.09; 0.14)

0.11 (0.10; 0.12)

 Time_synch/TI_neu

0.010

0.79 (0.70; 0.88)

0.90 (0.86; 0.94)*

0.94 (0.89; 0.98)^#

 AI% (%)

<0.001

6.6 (0.0; 23.4)

0.0 (0.0; 0.0)*

0.0 (0.0; 0.0)^#