Table 2. Procedural and Treatment Characteristics.
| Characteristic | Angiography group, No. (%) | |
|---|---|---|
| Immediate (n = 264) | Delayed (n = 258) | |
| Coronary angiography performed | 256 (97.0) | 167 (64.7)a |
| Time from arrest to coronary angiography, median (IQR), h | 2.1 (1.5-2.8) | 121.4 (50.4-201.4) |
| Time randomization to coronary angiography, median (IQR), h | 0.9 (0.6-1.2) | 119.9 (47.7-200.2) |
| Coronary artery disease severity | ||
| No clinically significant disease | 92/256 (35.9) | 57/167 (34.1) |
| 1-Vessel disease | 69/256 (27.0) | 48/167 (28.7) |
| 2-Vessel disease | 53/256 (20.7) | 34/167 (20.4) |
| 3-Vessel disease | 42/256 (16.4) | 28/167 (16.8) |
| Acute unstable lesion | 33/256 (12.9) | 27/167 (16.2) |
| Acute thrombotic occlusion | 8/256 (3.1) | 13/167 (7.8)b |
| Chronic total occlusion | 96/256 (37.5) | 58/167 (34.7) |
| Revascularization treatment | ||
| PCI | 86 (32.6) | 63 (24.4) |
| CABG | 16 (6.1) | 21 (8.1) |
| Pharmacologic or conservative treatment | 164 (62.1) | 174 (67.4) |
Abbreviations: CABG, coronary artery bypass graft; IQR, interquartile range; PCI, percutaneous coronary intervention.
a
Thirty-five of these patients underwent urgent intervention owing to cardiac deterioration.
b
Six of these patients underwent urgent intervention owing to cardiac deterioration.