Table 2. Comparative analysis of coronary angiographic profile between STEMI and NSTEMI/UA groups.
| Variables | STEMI (n=611) | NSTEMI/UA (n=209) | P value |
|---|---|---|---|
| Disease severity/No. of vessels involved | |||
| Insignificant stenosis, n (%) | 177 (29.0) | 91 (43.6) | <0.001* |
| Single-vessel disease, n (%) | 346 (56.6) | 64 (30.6) | <0.001* |
| Double-vessel disease, n (%) | 66 (10.8) | 32 (15.3) | 0.084 |
| Triple-vessel disease, n (%) | 22 (3.6) | 22 (10.5) | <0.001* |
| Lesion location | |||
| Left main coronary artery, n (%) | 3 (0.5) | 6 (2.9) | 0.004* |
| Left anterior descending coronary artery, n (%) | 338 (55.3) | 84 (40.2) | <0.001* |
| Left circumflex coronary artery, n (%) | 72 (11.8) | 49 (23.4) | <0.001* |
| Right coronary artery, n (%) | 116 (19.0) | 49 (23.4) | 0.165 |
*, significant difference; STEMI, ST-elevation myocardial infarction; NSTEMI, non-ST-elevation myocardial infarction; UA, unstable angina.