Demographics
|
Male sex, n (%)
|
111 (74)
| |
38 (76)
| |
73 (73)
| |
0.52
|
Age, yr (IQR)
|
66 (60–73)
| |
67 (60–74)
| |
66 (70–73)
| |
0.69
|
Weight, kg (IQR)
|
77 (65–94)
|
19
|
72 (62–87)
|
7
|
78 (67–100)
|
12
|
0.098
|
Underlying conditions, n (%)
|
Diabetes mellitus
|
34 (22.7)
| |
8 (16)
| |
26 (26)
| |
0.21
|
Chronic heart failure
|
25 (16.7)
| |
11 (22)
| |
14 (14)
| |
0.61
|
Chronic renal failure
|
6 (4)
| |
2 (4)
| |
4 (4)
| |
1
|
Chronic liver failure
|
8 (5.3)
| |
4 (8)
| |
4 (4)
| |
0.31
|
Solid tumor (CR)
|
35 (23.3)
| |
11 (22)
| |
24 (24)
| |
0.74
|
Hematological malignancy (CR)
|
5 (3.3)
| |
4 (8)
| |
1 (1)
| |
0.57
|
Autoimmune disease
|
6 (4)
| |
3 (6)
| |
3 (3)
| |
0.39
|
Alcohol abuse
|
42 (28)
| |
14 (28)
| |
28 (28)
| |
1
|
COPD characteristics
|
GOLD grade ≥3, n (%
|
78 (62.9)
|
26
|
31 (68.9)
|
5
|
47 (59.5)
|
21
|
0.30
|
FEV1 % (IQR)
|
41 (29–59)
|
30
|
37 (27–57)
|
8
|
43 (30–60)
|
22
|
0.47
|
Smoking history, n (%)
|
135 (93.7)
|
6
|
43 (93.5)
|
4
|
92 (93.9)
|
2
|
0.92
|
Pack-years (IQR)
|
40 (30–60)
|
61
|
40 (30–58)
|
19
|
45 (30–60)
|
42
|
0.66
|
Acute exacerbations,b
n (%)
|
28 (21.7)
|
21
|
8 (17.8)
|
5
|
20 (23.8)
|
16
|
0.54
|
Corticosteroid use, n (%)
| | | | | | | |
Chronic use >3 mo
|
22 (14.7)
| |
13 (26)
| |
9 (9)
| |
0.004
|
Daily dose >20 mg
|
77 (52.7)
| |
36 (73.5)
| |
41 (42.3)
| |
<0.001
|
Chronic inhalational corticosteroid use
|
75 (51)
|
3
|
28 (56)
| |
47 (48.4)
|
3
|
0.52
|
ICU admission
|
Antibiotics (prior 3 months)
|
82 (55.4)
|
2
|
40 (83.3)
|
2
|
42 (42)
| |
<0.001
|
SAPS II, mean (SD)
|
46.9 (13.9)
| |
46.9 (13.9)
| |
47 (13.9)
| |
0.99
|
LODS score (IQR)
|
6 (4–8)
| |
6 (3–7)
| |
6 (4–8)
| |
0.26
|
Supportive therapy in ICU
|
MV duration
|
14 (5–27)
| |
18 (8–26)
| |
12 (5–26)
| |
0.60
|
Renal replacement therapy, n (%)
|
25 (17)
| |
7 (14)
| |
18 (18)
| |
0.57
|
Vasopressive or inotropic agents, n (%)
|
95 (63)
| |
32 (64)
| |
63 (63)
| |
0.69
|
Symptoms, n (%)
|
Refractory fever
|
17 (11.3)
| |
6 (12)
| |
11 (11)
| |
0.85
|
Recrudescence of fever
|
19 (12.7)
| |
11 (22)
| |
8 (8)
| |
0.02
|
Pleural effusion
|
17 (11.3)
| |
6 (12)
| |
11 (11)
| |
0.85
|
Dyspnea
|
136 (90.7)
| |
49 (98)
| |
87 (87)
| |
0.07
|
Hemoptysis
|
8 (5.3)
| |
5 (10)
| |
3 (3)
| |
0.187
|
Worsening of respiratory insufficiency
|
50 (33.3)
| |
30 (60)
| |
20 (20)
| |
<0.001
|