|
Number
|
267
|
267
| |
|
Age
|
58.4 ± 16.6
|
58.9 ± 17.9
|
0.03
|
|
Sex (male)
|
171 (64.0)
|
171 (64.0)
|
0.00
|
|
BMI
|
27.9 ± 7.8
|
27.9 ± 15.0
|
0.00
|
|
Geographic area
|
|
European countries with high income
|
174 (64.2)
|
172 (64.4)
|
0.02
|
|
Non-European countries with high income
|
49 (18.4)
|
48 (18.0)
|
0.01
|
|
Countries with middle income
|
44 (16.5)
|
47 (17.6)
|
0.03
|
|
Type of admission
|
|
Medical
|
178 (66.7)
|
183 (68.5)
|
0.04
|
|
Surgical
|
52 (19.5)
|
48 (18.0)
|
0.04
|
|
Elective
|
19 (7.1)
|
21 (7.9)
|
0.03
|
|
Trauma
|
18 (6.7)
|
15 (5.6)
|
0.05
|
|
Comorbidities
|
|
COPD or home ventilation
|
60 (22.5)
|
65 (24.3)
|
0.04
|
|
Diabetes mellitus
|
64 (23.9)
|
64 (23.9)
|
0.00
|
|
Chronic renal failure
|
27 (10.1)
|
23 (8.6)
|
0.05
|
|
Immunosuppression or active or hematologic neoplasm
|
66 (24.7)
|
62 (23.3)
|
0.04
|
|
Heart failure (NYHA classes III-IV)
|
19 (7.1)
|
22 (8.2)
|
0.04
|
|
Chronic liver failure (Child-Pugh Class C)
|
2 (0.7)
|
2 (0.7)
|
0.00
|
|
Cause of AHRF - pneumonia
|
186 (69.7)
|
195 (73.0)
|
0.07
|
|
ARDS risk factor
|
|
No risk factor
|
17 (6.4)
|
17 (6.4)
|
0.00
|
|
Only indirect risks factor
|
45 (16.9)
|
39 (14.6)
|
0.06
|
|
Only direct risk factors
|
168 (62.9)
|
173 (65.0)
|
0.04
|
|
Both risk factors
|
37 (13.9)
|
38 (14.2)
|
0.01
|
|
ECMO use
|
19 (7.1)
|
16 (6.0)
|
0.05
|
|
Arterial gas
|
|
pH
|
7.4 ± 0.1
|
7.4 ± 0.1
|
0.07
|
|
P/F ratio (mmHg)
|
204.1 ± 86.5
|
199.1 ± 63.7
|
0.07
|
|
PaCO2 (mmHg)
|
44.4 ± 13.9
|
44.2 ± 14.1
|
0.01
|
|
Non-respiratory SOFA score adjusted for missing values,
|
5.1 ± 3.4
|
5.1 ± 3.6
|
0.00
|
