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Group A (n = 25)
|
Group B (n = 28)
|
Group C (n = 26)
|
P
|
|---|
|
PaO2, mmHg
|
T1
|
419.0 (381.5–486.0)
|
426.0 (400.8-450.3)
|
433.5 (367.5-487.3)
|
0.781
|
|
T2
|
436.0 (382.0-487.0)
|
475.5 (447.3-496.8)*
|
488.0 (409.8-527.3)*
|
0.028
|
|
T3
|
440.0 (394.5-493.5)
|
497.5 (486.8-534.5)#
|
502.5 (441.3–554.0)*
|
0.005
|
|
PaCO2, mmHg
|
T1
|
45.0 (39.5–50.0)
|
46.0 (40.3–49.0)
|
46.0 (37.0–49.0)
|
0.881
|
|
T2
|
42.0 (39.0–46.0)
|
42.0 (40.0-47.8)
|
42.0 (38.8–47.3)
|
0.970
|
|
T3
|
40.0 (38.0–42.0)
|
44.0 (39.3–47.8)*
|
42.0 (39.0-46.3)*
|
0.025
|
|
Cdyn, mL/cmH2O
|
T1
|
320.0 (300.0-335.0)
|
320.0 (310.0-350.0)
|
310.0 (300.0-322.5)
|
0.080
|
|
T2
|
320.0 (295.0-355.0)
|
360.0 (332.5–370.0)#
|
350.0 (340.0-360.0)*
|
0.005
|
|
T3
|
330.0 (305.0-345.0)
|
340.0 (330.0-360.0)*
|
340.0 (330.0-370.0)*
|
0.009
|
|
Ppeak, cmH2O
|
T1
|
17.0 (16.0–20.0)
|
18.0 (16.0–19.0)
|
19.0 (17.0–20.0)
|
0.379
|
|
T2
|
18.0 (17.5–21.0)
|
17.0 (16.0-18.8)#
|
17.0 (15.8–19.0)*
|
0.004
|
|
T3
|
19.0 (18.0–21.0)
|
17.0 (15.3–20.0)*
|
17.0 (16.0–19.0)*
|
0.012
|
|
Pplat, cmH2O
|
T1
|
13.0 (11.5–14.5)
|
14.0 (12.0-15.8)
|
15.0 (13.0-16.3)
|
0.068
|
|
T2
|
14.0 (13.0–17.0)
|
13.0 (11.3–14.8)*
|
13.0 (11.0–15.0)*
|
0.005
|
|
T3
|
16.0 (13.5–17.0)
|
13.0 (11.0–15.0)#
|
14.0 (11.8–15.3)*
|
0.003
|
|
Heart rate, min− 1
|
T1
|
81 (65–102)
|
80 (65–93)
|
76 (72–92)
|
0.779
|
|
T2
|
66 (58–92)
|
70 (62–87)
|
68 (62–83)
|
0.891
|
|
T3
|
64 (56–93)
|
65 (59–80)
|
68 (63–85)
|
0.421
|
|
MAP, mmHga
|
T1
|
88.0 (77.0-101.5)
|
93.0 (85.0-101.8)
|
93.5 (88.5–109.0)
|
0.419
|
|
T2
|
79.0 (73.5–90.0)
|
86.0 (77.0–95.0)
|
82.0 (73.8–86.5)
|
0.210
|
|
T3
|
77.0 (71.0-92.5)
|
78.0 (71.3–84.3)
|
81.0 (72.0-91.5)
|
0.802
|
- Data are presented as the median (interquartile range)
- Cdyn pulmonary dynamic compliance; DBP diastolic blood pressure; MAP mean arterial pressure; PaCO2 arterial partial pressure of carbon dioxide; PaO2 arterial partial pressure of oxygen; Ppeak airway peak pressure; Pplat airway plateau pressure; SBP systolic blood pressure
- a MAP=(SBP + DBP*2)/3
- *P < 0.05, #P < 0.01 compared to Group A at the same point in time
