Table 2.
Baseline angiographic and procedural characteristics.
| Non-smoker (n=472 lesions) | Smoker (n=111 lesions) | P value | |
|---|---|---|---|
| Clinical diagnosis | |||
| Stable angina | 152 (32.2) | 40 (36.0) | .233 |
| Unstable angina | 160 (33.9) | 27 (24.3) | |
| Non ST segment elevation myocardial infarction | 108 (22.9) | 34 (30.6) | |
| ST segment elevation myocardial infarction | 16 (3.4) | 5 (4.5) | |
| Silent ischemia | 35 (7.4) | 5 (4.5) | |
| Heart failure | 1 (0.2) | 0 (0.0) | |
| Lesion classification | |||
| A | 3 (0.6) | 0 (0.0) | .636 |
| B1 | 25 (5.3) | 5 (4.5) | |
| B2 | 42 (8.9) | 7 (6.3) | |
| C | 402 (85.2) | 99 (89.2) | |
| Multivessel disease | 377 (79.9) | 90 (81.1) | .774 |
| Intravascular ultrasound | 219 (46.4) | 47 (42.3) | .440 |
| Pre ejection fraction | 52.8 (13.7) | 52.5 (13.0) | .826 |
| Procedure time (min) | 77.0 (45.8) | 82.7 (66.1) | .288 |
| Mean stent diameter | 3.00 (0.39) | 2.97 (0.36) | .450 |
| Total number of stent | 2.4 (1.2) | 2.4 (1.0) | .629 |
| Total stent length | 68.5 (37.2) | 71.1 (28.0) | .509 |
| Number of burrs | 1.19 (0.42) | 1.17 (0.40) | .696 |
| Size of burr | 1.49 (0.18) | 1.50 (0.19) | .382 |
| Procedure success | 456 (96.6) | 106 (95.5) | .572 |
| Temporary pacemaker | 12 (2.5) | 6 (5.4) | .128 |
| Complication | |||
| Dissection type | |||
| A | 1 (0.2) | 0 (0.0) | .487 |
| B | 12 (2.5) | 2 (1.8) | |
| C | 11 (2.3) | 3 (2.7) | |
| D | 13 (2.8) | 3 (2.7) | |
| E | 0 (0.0) | 1 (0.9) | |
| F | 3 (0.6) | 0 (0.0) | |
| Perforation | 9 (1.9) | 1 (0.9) | .696 |
| Periprocedural myocardial infarction | 36 (7.6) | 10 (9.0) | .627 |
| In-hospital bleeding | 22 (4.7) | 5 (4.5) | .944 |
Data are expressed as mean (standard deviation) or number (%).