Table 1.
Baseline, electrocardiographic and angiographic characteristics.
| RCA | CX | P value | |
|---|---|---|---|
| (n=600) | (n=229) | ||
| Age (years±SD) | 61±11 | 60±12 | NS |
| Male gender (%) | 75 | 79 | NS |
| Diabetes (%) | 11 | 11 | NS |
| Hypertension (%) | 30 | 27 | NS |
| Smoking (%) | 49 | 55 | NS |
| Positive family history (%) | 42 | 44 | NS |
| Previous MI (%) | 12 | 11 | NS |
| Previous PCI (%) | 7 | 4 | NS |
| Killip class 1 (%) | 92 | 93 | NS |
| Ischaemic time | 4.5±3.7 | 4.8±3.9 | NS |
| Patient delay (hours) | 3.5±3.5 | 3.6±3.6 | NS |
| Door-to-balloon time (hours) | 1.0±0.09 | 1.1±0.6 | NS |
RCA=right coronary artery, CX=circumflex, MI=myocardial infarction, PCI=primary coronary intervention, CABG=coronary artery bypass grafting, NS=not significant.