Table 2.
Coronary anatomy and revascularization based on presentation with or without ST-segment elevation.
| All Patients (n = 239) | STEMI Patients (n = 190) | NSTEMI Patients (n = 49) | p Value | |
|---|---|---|---|---|
| Catheterization lab data | ||||
| Coronary angiography | 221 (92.5) | 175 (92.1) | 46 (93.9) | 1 |
| Main epicardial coronary arteries ≥70% stenosis | ||||
| 0 | 2 (0.9) | 2 (1.1) | 0 | 1 |
| 1 | 52 (23.5) | 52 (29.7) | 0 | <0.001 |
| 2 | 69 (31.2) | 60 (34.3) | 9 (19.6) | 0.055 |
| 3 | 98 (44.3) | 61 (34.9) | 37 (80.4) | <0.001 |
| Left main ≥ 50% stenosis | 63 (28.5) | 36 (20.6) | 27 (58.7) | <0.001 |
| Infarct-related artery | ||||
| None | 2 (0.9) | 2 (1.1) | 0 | 1.000 |
| Left main | 46 (20.8) | 27 (15.4) | 19 (41.3) | <0.001 |
| Left anterior descending | 94 (42.5) | 79 (45.1) | 15 (32.6) | 0.126 |
| Ramus intermedius | 3 (1.4) | 1 (0.6) | 2 (4.3) | 0.111 |
| Circumflex | 25 (11.3) | 19 (10.9) | 6 (13.0) | 0.677 |
| Right coronary | 48 (21.7) | 45 (25.7) | 3 (6.5) | 0.004 |
| Other | 3 (1.4) | 2 (1.1) | 1 (2.2) | 0.505 |
| TIMI flow grade | ||||
| 0 | 138 (62.4) | 130 (74.3) | 8 (17.4) | <0.001 |
| 1 | 19 (8.6) | 17 (9.7) | 2 (4.3) | 0.377 |
| 2 | 23 (10.4) | 15 (8.6) | 8 (17.4) | 0.081 |
| 3 | 41 (18.6) | 13 (7.4) | 28 (60.9) | <0.001 |
| Revascularization data | ||||
| Revascularization | 211 (88.3) | 166 (87.4) | 45 (91.8) | 0.465 |
| In the first 24 h | 208 (98.6) | 166 (100) | 42 (93.3) | 0.009 |
| PCI | 209 (87.4) | 166 (87.4) | 43 (87.8) | 0.942 |
| PCI in the first 24 h | 206 (98.6) | 166 (100) | 40 (93.0) | 0.008 |
| Primary PCI | - | 154 (92.8) | - | - |
| Symptom onset-to-balloon, min | - | 215 (144–444) | - | - |
| TIMI flow grade after PCI | ||||
| 0 | 17 (8.1) | 16 (9.6) | 1 (2.3) | 0.206 |
| 1 | 11 (5.3) | 11 (6.6) | 0 | 0.125 |
| 2 | 27 (12.9) | 25 (15.1) | 2 (4.7) | 0.078 |
| 3 | 154 (73.7) | 114 (68.7) | 40 (93.0) | 0.001 |
| PCI + staged CABG | 3 (1.4) | 1 (0.6) | 2 (4.7) | 0.108 |
| Time to staged CABG, days | 26 (3–63) | 63 (63–63) | 15 (3–26) | 1 |
| CABG | 2 (0.8) | 0 | 2 (4.1) | 0.041 |
| CABG in the first 24 h | 2 (100) | - | 2 (100) | - |
Values are given as n (%) unless otherwise noted. STEMI, ST-segment elevation myocardial infarction; NSTEMI, non-ST-segment elevation myocardial infarction; TIMI, Thrombolysis In Myocardial Infarction; PCI, percutaneous coronary intervention; CABG, coronary artery bypass graft.