|
Features
|
Mean (95% CI)
|
Mean difference (d = Ma – Mb) (95% CI)
|
p-value
|
|---|
|
Without CRS (Mb)
|
With CRS (Ma)
|
|---|
|
VE (l/min)
|
6.1 (5.8; 6.5)
|
9.3 (8.9; 9.7)
|
3.2 (2.6; 3.7)
|
< 0.001
|
|
Ppeak (cm H2O)
|
18.2 (17.5; 18.8)
|
19 (18; 20)
|
0.7 (0.4; 1.0)
|
< 0.001
|
|
Pmean (cm H2O)
|
7.9 (7.7; 8.1)
|
6.7 (6.5; 6.9)
|
−1.2 (−1.4; −1.0)
|
< 0.001
|
|
SpO2 (%)
|
98 (97; 99)
|
99 (98; 100)
|
1.0 (0.2; 1.5)
|
< 0.001
|
|
EtCO2 (mm Hg)
|
36 (35; 37)
|
42 (40; 43)
|
6 (4; 7)
|
< 0.001
|
|
PaO2 (mm Hg)
|
180 (170; 190)
|
320 (300; 340)
|
170 (160; 190)
|
< 0.001
|
|
PaCO2 (mm Hg)
|
39 (38; 40)
|
43 (41; 45)
|
4.0 (0.4; 7.6)
|
< 0.001
|
|
FiSev (vol%)
|
2.2 (2.1; 2.3)
|
7.3 (7.0; 7.6)
|
5.1 (4.9; 5.3)
|
< 0.001
|
|
EtSev (vol%)
|
1.8 (1.7; 2.0)
|
1.0 (0.9; 1.1)
|
−0.8 (−0.9; −0.7)
|
< 0.001
|
|
MAC
|
0.91 (0.87; 0.95)
|
0.52 (0.48; 0.56)
|
−0.39 (−0.44; −0.34)
|
< 0.001
|
|
BIS
|
44 (42; 47)
|
53 (49; 56)
|
9 (5; 13)
|
< 0.001
|
|
Points
|
2.3 (2.1; 2.6)
|
3.8 (3.7; 4.0)
|
1.6 (1.3; 1.8)
|
< 0.001
|
- Notations: CI – confidence intervals; Mb and Ma – mean values before and after the application of the CRS technique, respectively; d – mean difference
