Table 2.
Baseline procedural and angiographic characteristics among patients treated with drug eluting stent(s) stratified by the need for subsequent target vessel revascularization
Variable | Total number | No TVR % | TVR % | P value |
---|---|---|---|---|
Patients | 2691 | 93.2 | 6.8 | |
Primary reason for PCI | 0.04 | |||
Acute myocardial infarction | 754 | 95.1 | 4.9 | |
Unstable angina | 920 | 91.3 | 8.7 | |
Stable angina | 571 | 92.5 | 7.5 | |
Asymptomatic CAD | 361 | 94.7 | 5.3 | |
Number of Lesions Attempted | 0.44 | |||
1 | 2095 | 93.6 | 6.4 | |
2 | 498 | 92.2 | 7.8 | |
3 | 83 | 90.4 | 9.6 | |
4 | 14 | 85.7 | 14.3 | |
5 | 1 | 100.0 | 0.0 | |
Ejection fraction | 0.09 | |||
Less than 45 | 448 | 95.1 | 4.9 | |
At least 45 | 1551 | 92.8 | 7.2 | |
Lesions | 3401 | 92.8 | 7.2 | |
Lesion location | <.0001 | |||
Right coronary | 1060 | 93.5 | 6.5 | |
Left main | 43 | 95.3 | 4.7 | |
Left anterior descending | 1267 | 93.7 | 6.3 | |
Left circumflex | 813 | 93.2 | 6.8 | |
Saphenous vein graft | 218 | 82.6 | 17.4 | |
Lesion previously stented | <.0001 | |||
No | 3180 | 93.5 | 6.5 | |
Yes | 216 | 83.3 | 16.7 | |
Reference vessel size | 0.46 | |||
Diameter less than 2.5 mm | 132 | 90.2 | 9.8 | |
Diameter between 2.5 mm and 3 mm | 1926 | 92.9 | 7.1 | |
Diameter more than 3 mm | 1211 | 93.1 | 6.9 | |
Total Occlusion | 0.16 | |||
No | 3093 | 92.6 | 7.4 | |
Yes | 308 | 94.8 | 5.2 | |
Calcified | 0.88 | |||
No | 2347 | 92.8 | 7.2 | |
Yes | 1000 | 92.7 | 7.3 | |
Bifurcation | 0.66 | |||
No | 3054 | 92.9 | 7.1 | |
Yes | 334 | 92.2 | 7.8 | |
Ostial lesion | 0.003 | |||
No | 3124 | 93.2 | 6.8 | |
Yes | 277 | 88.4 | 11.6 | |
Paclitaxel-eluting stent | 0.09 | |||
No | 1802 | 92.6 | 7.4 | |
Yes | 889 | 94.4 | 5.6 | |
Sirolimus-eluting stent | 0.05 | |||
No | 824 | 94.7 | 5.3 | |
Yes | 1867 | 92.6 | 7.4 |
PCI-percutaneous coronary intervention, TVR- target vessel revascularization