Age, years, mean ± SD
|
50 ± 16
|
52 ± 16
|
0.06
|
Male sex, %
|
51 %
|
51 %
|
0.96
|
APACHE III score, mean ± SD
|
92 ± 29
|
92 ± 31
|
0.77
|
Clinical disorders associated with acute lung injury
| | | |
Pneumonia, %
|
46 %
|
47 %
|
0.78
|
Trauma, %
|
8 %
|
5 %
|
0.15
|
Sepsis, %
|
21 %
|
25 %
|
0.26
|
Multiple transfusions, %
|
2 %
|
1 %
|
0.25
|
Aspiration, %
|
17 %
|
17 %
|
0.90
|
Baseline PaO2/FiO2
|
103 ± 48
|
106 ± 49
|
0.45
|
Severity of ARDS
| | |
0.36
|
Mild
|
59 %
|
53 %
| |
Moderate
|
36 %
|
41 %
| |
Severe
|
5 %
|
6 %
| |
Day 1 PIP
|
32 ± 8
|
32 ± 9
|
0.32
|
Day 1 PEEP
|
9.4 ± 4
|
9.5 ± 4
|
0.7
|
Fluid management, liberal, %
|
48 %
|
55 %
|
0.09
|
Mortality at 60 days, %
|
21 %
|
25 %
|
0.19
|
Ventilator-free days, median (range)
|
19 (0–28)
|
17 (0–28)
|
0.22
|