Table 3.
Baseline Angiographic Characteristics: Angiographic Core Laboratory Data
| Variable | PCI (n=195) |
MED (n=186) |
|---|---|---|
| IRA, n (%) | ||
| LAD | 60 (30.8) | 79 (42.5) |
| Circumflex | 28 (14.4) | 22 (11.8) |
| RCA | 107 (54.9) | 85 (45.7) |
| IRA TIMI flow grade, n (%) | ||
| Grade 0 | 155 (79.9) | 155 (83.3) |
| Grade I | 37 (19.1) | 31 (16.7) |
| Grade II | 2 (1.0) | 0 (0.0) |
| Missing | 1 | 0 |
| Collateral grade in IRA, n (%) | ||
| Grade 0 | 21 (10.9) | 17 (9.2) |
| Grade I | 138 (71.5) | 135 (73.0) |
| Grade II | 34 (17.6) | 33 (17.8) |
| Missing | 2 | 1 |
| No. of diseased vessels >70%, n (%) | ||
| Single | 159 (81.5) | 158 (84.9) |
| Double | 34 (17.4) | 28 (15.1) |
| Triple | 2 (1.0) | 0 (0.0) |
| LVEF <50%, n/N (%) | 95/183 (51.9) | 87/170 (51.2) |
| Proximal occlusion, n (%) | 179 (91.8) | 175 (94.1) |
| LVEF <50% or proximal occlusion, n/N (%) | 192/195 (98.5) | 184/186 (98.9) |
| LVEF ≥50% and not proximal | 3/195 (1.5) | 2/186 (1.1) |
| LV function and volume baseline values, mean±SD | ||
| LVEF, % (PCI, MED: n=183, 170) | 48.2±10.6 | 47.5±10.7 |
| LVESVI, ml/m2 (n=105, 97) | 34.9±19.5 | 33.9±15.2 |
| LVEDVI, ml/m2 (n=105, 97) | 67.9±32.1 | 64.1±24.2 |
| Target-region wall motion (SD/chord) (n=182, 170) | −2.99±0.91 | −3.08±0.81 |
LAD indicates left anterior descending coronary artery; RCA, right coronary artery.