| |
% of Patients
|
Prolonged ICU Stay (%)
|
Odds Ratio (95% CI)
|
P Value
|
|---|
|
Age (years)
|
|
<70
|
75.4
|
7.9
|
Ref.
| |
|
70 – 74
|
16.6
|
12.4
|
1.6 (1.3 – 2.1)
|
<0.001
|
|
≥ 75
|
8.0
|
14.4
|
2.0 (1.5 – 2.6)
|
<0.001
|
| | | |
Trend
|
<0.001
|
|
Gender
|
|
Male
|
80.5
|
9.1
|
Ref.
| |
|
Female
|
19.5
|
9.6
|
1.1 (0.8 – 1.3)
|
0.58
|
|
Body mass index (kg/m2)
|
|
<30
|
72.8
|
8.4
|
Ref.
| |
|
30 – 34
|
22.1
|
10.4
|
1.3 (1.0 – 1.6)
|
0.035
|
|
≥ 30
|
5.1
|
15.0
|
1.9 (1.3 – 2.7)
|
<0.001
|
| | | |
Trend
|
<0.001
|
|
Angina class IV
|
|
No
|
68.1
|
7.3
|
Ref.
| |
|
Yes
|
31.9
|
13.1
|
1.9 (1.6 – 2.3)
|
<0.001
|
|
NYHA class IV
|
|
No
|
93.9
|
8.7
|
Ref.
| |
|
Yes
|
6.1
|
15.5
|
1.9 (1.4 – 2.6)
|
<0.001
|
|
Previous myocardial infarction
|
|
No
|
53.5
|
8.0
|
Ref.
| |
|
Yes
|
46.5
|
10.5
|
1.4 (1.1 – 1.6)
|
0.001
|
|
Recent myocardial infarction
|
|
No
|
94.7
|
8.8
|
Ref.
| |
|
Yes
|
5.3
|
14.8
|
1.8 (1.3 – 2.5)
|
<0.001
|
|
Current smoker
|
|
No
|
84.9
|
8.5
|
Ref.
| |
|
Yes
|
15.1
|
12.8
|
1.6 (1.2 – 2.0)
|
<0.001
|
|
Hypercholesterolaemia
|
|
No
|
22.1
|
8.0
|
Ref.
| |
|
Yes
|
77.9
|
9.5
|
1.2 (0.9 – 1.5)
|
0.13
|
|
Hypertension
|
|
No
|
49.0
|
7.4
|
Ref.
| |
|
Yes
|
51.0
|
10.8
|
1.5 (1.2 – 1.8)
|
<0.001
|
|
Diabetes
|
|
No
|
83.6
|
8.2
|
Ref.
| |
|
Yes
|
16.4
|
14.2
|
1.9 (1.5 – 2.3)
|
<0.001
|
|
Renal dysfunction
|
|
No
|
97.8
|
8.5
|
Ref.
| |
|
Yes
|
2.2
|
39.8
|
7.1 (4.8 – 10.5)
|
<0.001
|
|
Cerebrovascular disease
|
|
No
|
91.7
|
8.8
|
Ref.
| |
|
Yes
|
8.3
|
13.3
|
1.6 (1.2 – 2.1)
|
0.002
|
|
Peripheral vascular disease
|
|
No
|
87.2
|
8.2
|
Ref.
| |
|
Yes
|
12.8
|
15.9
|
2.1 (1.7 – 2.7)
|
<0.001
|
|
Respiratory disease
|
|
No
|
69.2
|
8.2
|
Ref.
| |
|
Yes
|
30.8
|
11.3
|
1.4 (1.2 – 1.7)
|
<0.001
|
|
Previous gastric ulcer
|
|
No
|
88.4
|
9.0
|
Ref.
| |
|
Yes
|
11.6
|
10.3
|
1.2 (0.9 – 1.5)
|
0.28
|
|
Previous GI surgery
|
|
No
|
88.3
|
8.9
|
Ref.
| |
|
Yes
|
11.7
|
11.2
|
1.3 (1.0 – 1.7)
|
0.061
|
|
Previous PCI
|
|
No
|
94.1
|
9.2
|
Ref.
| |
|
Yes
|
5.9
|
9.2
|
1.0 (0.7 – 1.5)
|
0.97
|
|
Ejection fraction <30%
|
|
No
|
91.0
|
8.2
|
Ref.
| |
|
Yes
|
9.0
|
18.7
|
2.6 (2.0 – 3.3)
|
<0.001
|
|
Triple-vessel disease
|
|
No
|
18.2
|
6.5
|
Ref.
| |
|
Yes
|
81.8
|
9.7
|
1.6 (1.2 – 2.1)
|
0.002
|
|
Left main stenosis >50%
|
|
No
|
81.9
|
9.2
|
Ref.
| |
|
Yes
|
18.1
|
9.2
|
1.0 (0.8 – 1.3)
|
>0.99
|
|
Prior Heart surgery
|
|
No
|
97.3
|
9.1
|
Ref.
| |
|
Yes
|
2.7
|
12.9
|
1.5 (0.9 – 2.4)
|
0.12
|
|
Emergency procedure
|
|
No
|
97.9
|
8.8
|
Ref.
| |
|
Yes
|
2.1
|
24.6
|
3.4 (2.1 – 5.2)
|
<0.001
|
- ICU, Intensive Care Unit; CI, Confidence Intervals; NYHA, New York Heart Association; GI, Gastro-intestinal; PCI, Percutaneous Coronary Interventions.
