Age, years, mean±SD |
66.7±10.2 |
65.6±10.0 |
Female gender, n (%) |
24 (24.7) |
21 (21.4) |
Body mass index, mean±SD |
28.1±4.1 |
28.3±4.1 |
Coronary risk factors |
Diabetes mellitus, n (%) |
30 (30.9) |
32 (32.7) |
Past or current smoker, n (%) |
58 (61.7) |
61 (64.9) |
Hypercholesterolaemia, n (%) |
65 (67) |
69 (70.4) |
Hypertension, n (%) |
59 (60.8) |
69 (70.4) |
Comorbidities |
Renal insufficiency, n (%) |
4 (4.1) |
6 (6.1) |
Liver disease, n (%) |
3 (3.1) |
1 (1) |
Chronic lung disease, n (%) |
9 (9.3) |
16 (16.3) |
Previous stroke, n (%) |
5 (5.2) |
11 (11.2) |
History of malignancy, n (%) |
8 (8.2) |
5 (5.1) |
Congestive heart failure, n (%) |
5 (5.2) |
6 (6.1) |
Previous MI, n (%) |
20 (20.6) |
22 (22.7) |
Previous PCI, n (%) |
26 (26.8) |
32 (32.7) |
Previous CABG, n (%) |
2 (2.1) |
6 (6.1) |
Indication for PCI |
Chronic coronary syndrome, n (%) |
45 (46%) |
50 (51%) |
Unstable angina, n (%) |
13 (13.4) |
7 (7.1) |
Non-STEMI, n (%) |
21 (21.6) |
25 (25.5) |
STEMI, n (%) |
18 (18.6) |
16 (16.3) |
No significant differences were observed between groups except for bifurcation lesions (p=0.019). BF-CoCr: BioFreedom cobalt-chromium stent; BF-SS: BioFreedom stainless steel stent; CABG: coronary artery bypass graft; MI: myocardial infarction; PCI: percutaneous coronary intervention; STEMI: ST-segment elevation myocardial infarction |