Table 2.
Electrocardiographic and angiographic parameters.
| RCA | CX | P value | |
|---|---|---|---|
| (n=600) | (n=229) | ||
| ECG characteristics | |||
| No ST elevation (%) | 7 | 18 | <0.001 |
| Cumulative ST elevation (mm) | 8.7±6.9 | 6.1±5.1 | <0.001 |
| Cumulative ST deviation (mm) | 14.7±10.5 | 10.9±9.71 | <0.001 |
| Q wave pre-angiography (%) | 34 | 19 | <0.001 |
| Q wave post-angiography (%) | 65 | 35 | <0.001 |
| AV block (%) | 16 | 3 | <0.001 |
| Angiographic characteristics | |||
| Multivessel disease (%) | 57 | 60 | |
| TIMI 3 pre-PCI (%) | 17 | 16 | NS |
| Collaterals (%) | |||
| - Rentrop 0 | 42 | 73 | |
| - Rentrop 1 | 44 | 22 | |
| - Rentrop 2,3 | 14 | 5 | <0.001 |
| Post-PCI TIMI (%) | 89 | 91 | NS |
| Therapy (%) | |||
| - PCI | 97 | 94 | |
| - CABG | 1 | 1.7 | |
| - Conservative | 1.7 | 4.4 | NS |
| QCA after PCI (n=762) | |||
| - Diameter stenosis (%) | 24±13 | 24±11 | NS |
| - Minimal lumen diameter (mm) | 2.5±0.5 | 2.2±0.5 | <0.001 |
| - Reference diameter (mm) | 3.2±0.5 | 2.8±0.5 | <0.001 |
RCA=right coronary artery, CX=circumflex, AV block=atrioventricular block, PCI=primary coronary intervention, CABG=coronary artery bypass grafting, QCA=quantitative coronary angiography, NS=not significant.