|
Age (years)
|
50 ± 15
|
52 ± 17
|
54 ± 17
|
0.22
|
|
Male sex
|
52 (72)
|
108 (55)
|
109 (61)
|
0.04
|
|
Weight (kg)
|
80 ± 20
|
83 ± 24
|
78 ± 23
|
0.10
|
|
Comorbidities, n (%)
| | | | |
|
Acute MI
|
8 (11)
|
20 (10)
|
23 (13)
|
0.73
|
|
Heart failure
|
15 (21)
|
44 (23)
|
28 (16)
|
0.22
|
|
COPD
|
14 (19)
|
34 (17)
|
36 (20)
|
0.80
|
|
Diabetes mellitus
|
19 (26)
|
54 (28)
|
41 (23)
|
0.56
|
|
OSA
|
24 (33)
|
63 (32)
|
65 (36)
|
0.71
|
|
Pneumonia (before BSE)
|
32 (44)
|
69 (35)
|
79 (44)
|
0.17
|
|
SOFA score (without GCS score)
|
3.5 [2 to 6]
|
4 [2 to 5]
|
3 [2 to 5]
|
0.98
|
|
Tracheostomya
|
3 (4)
|
25 (13)
|
50 (28)
|
<0.01
|
|
Endotracheal tube size, n (%)
| | | |
0.17
|
|
7.0 mm or less (n = 74)
|
10 (14)
|
39 (20)
|
25 (15)
| |
|
7.5 mm (n = 108)
|
23 (32)
|
38 (20)
|
47 (28)
| |
|
8.0 mm or greater (n = 251)
|
39 (54)
|
114 (60)
|
98 (58)
| |
|
Intubated in ED, n (%)
|
15 (21)
|
28 (14)
|
32 (18)
|
0.41
|
|
Reintubation (before BSE), n (%)a
|
10 (14)
|
17 (9)
|
43 (24)
|
<0.01
|
|
Ventilator days
|
4 [2 to 7]
|
6 [3 to 11]
|
10 [5 to 17]
|
<0.01
|
|
Mechanical ventilation more than 7 days, n (%)a,b
|
15 (21)
|
77 (39)
|
105 (59)
|
<0.01
|
