Table 4.
Demography of angiographic findings and outcome among groups.
| Variable | Study groups | P -value | |
|---|---|---|---|
| Smoker (N = 741) | Non-smoker (N = 1,303) | ||
| Follow-up time (months) | 49.3 ± 33.5 | 48.0 ± 37.4 | 0.43 |
| Number of diseased vessel | 0.21 | ||
| Single vessel disease | 379 (51.2%) | 717 (55.0%) | |
| Dual vessel disease | 211 (28.5%) | 331 (25.4%) | |
| Triple vessel disease | 151 (20.4%) | 255 (19.6%) | |
| Mean of treated vessels | 1.2 ± 0.4 | 1.2 ± 0.4 | 0.35 |
| Mean of treated lesions | 1.4 ± 0.7 | 1.3 ± 0.7 | 0.23 |
| SYNTAX score | 11.5 ± 8.3 | 10.8 ± 7.9 | 0.04 |
| LVEF | 0.60 ± 0.10 | 0.60 ± 0.10 | 0.39 |
| Type of intervention | <0.01* | ||
| Balloon angioplasty | 144 (19.4%) | 332 (25.5%) | |
| BMS deployment | 306 (41.3%) | 397 (30.5%) | |
| DES deployment | 291 (39.3%) | 574 (44.0%) | |
| MI | 0.07 | ||
| Yes | 19 (2.6%) | 52 (4.0%) | |
| No | 722 (97.4%) | 1251 (96.0%) | |
| CV death | <0.01* | ||
| Yes | 44 (5.9%) | 124 (9.5%) | |
| No | 697 (94.1%) | 1179 (90.5%) | |
| All-cause death | <0.01* | ||
| Yes | 72 (9.7%) | 195 (15.0%) | |
| No | 669 (90.3%) | 1108 (85.0%) | |
| Repeat PCI | <0.01* | ||
| Yes | 232 (31.3%) | 316 (24.3%) | |
| No | 509 (68.7%) | 987 (75.7%) | |
BMS, bare metal stent; DES, drug-eluting stent; LVEF, left ventricular ejection fraction; MI, myocardial infarction; Repeat PCI, repeated percutaneous coronary intervention; SYNTAX score, Synergy between Percutaneous Coronary Intervention with Taxus and Cardiac Surgery score.
*
significant.