The Impact of Age on Clinical Outcomes of Coronary Artery Bypass Grafting: Long-Term Results of a Real-World Registry
Table 1
Baseline characteristics and operative data of patients according to different age classes.
Patients’ characteristics
<60 yrs
60–69 yrs
70–79 yrs
≥80 yrs
p
()
()
()
()
%
%
%
%
Female
154
9.8
416
14.3
726
22.7
181
30.2
<0.0001
BMI ≥ 30 kg/m2: obesity
402
25.7
595
20.4
486
15.2
58
9.7
<0.0001
Logistic EUROscore > 15%
3
0.2
36
1.2
205
6.4
136
22.7
<0.0001
Critical preoperative state
21
1.3
30
1.0
45
1.4
10
1.7
0.457
Unstable angina
101
6.5
203
7.0
243
7.6
85
14.2
<0.0001
LVEF ≤ 30%
44
2.8
75
2.6
73
2.3
13
2.2
0.661
LVEF 30%–60%
370
23.7
697
23.9
869
27.2
209
34.8
<0.0001
Previous myocardial infarction
464
29.7
695
23.9
877
27.4
188
31.3
<0.0001
Serum creatinine ≥ 2 mg/dl
46
2.9
105
3.6
120
3.8
22
3.7
0.548
Diabetes
389
24.9
854
29.3
898
28.1
128
21.3
<0.0001
Systolic PA pressure > 60 mmHg
13
0.8
30
1.0
38
1.2
2
0.3
0.231
Chronic pulmonary disease
47
3.0
124
4.3
221
6.9
38
6.3
<0.0001
NYHA III-IV
144
9.2
267
9.2
363
11.3
81
13.5
0.001
Extracardiac arteriopathy
229
14.6
697
23.9
1013
31.7
191
31.8
<0.0001
Neurological dysfunction disease
80
5.1
182
6.2
197
6.2
50
8.3
0.048
Previous cardiac surgery
19
1.2
52
1.8
79
2.5
10
1.7
0.022
Single-vessel disease
159
10.2
281
9.6
347
10.8
93
15.5
0.000
Double-vessel disease
644
41.2
1141
39.2
1273
39.8
235
39.2
0.610
Triple-vessel disease
761
48.7
1491
51.2
1580
49.4
272
45.3
0.048
Previous PCI
280
17.9
427
14.7
463
14.5
73
12.2
0.002
Previous CABG
14
0.9
40
1.4
65
2.0
7
1.2
0.014
Previous valve surgery
2
0.1
2
0.1
6
0.2
1
0.2
0.642
Off-pump
95
6.1
145
5.0
285
8.9
72
12.0
<0.0001
LMCA disease
31
2.0
80
2.7
104
3.3
28
4.7
0.005
Complete arterial grafts revascularization
428
27.4
643
22.1
524
16.4
96
16.0
<0.0001
BMI: body mass index; LVEF: left ventricular ejection fraction; PA: pulmonary artery; NYHA: New York Heath Association; PCI: percutaneous coronary intervention; CABG: coronary artery bypass grafting; LMCA: left main coronary artery.
