Table 1.
Baseline demographic and angiographic data.
| N (%) or mean ± SD | |
|---|---|
| Demographic (n = 26) | |
| Male | 23 (85%) |
| Age [years] | 62 ± 9.8 |
| Previous MI | 17 (65%) |
| Previous PCI | 10 (38.5%) |
| Hypertension | 17 (65.4%) |
| Hypercholesterolemia | 20 (76.9%) |
| Diabetes mellitus | 5 (19.2%) |
| Current smoker | 5 (19.2%) |
| Angina duration [months] | 37.15 ± 52.48 |
| Angina CCS class (1/2/3/4) | 3 (12%)/10 (38%)/13 (50%)/0 (0%) |
| Estimated CTO duration [weeks] | 224.38 ± 392.16 |
| Angiographic details | |
| RCA CTO | 26 (100%) |
| LAD stenosis on QCA [%] | 40.91 ± 11.07 |
SD — standard deviation; MI — myocardial infarction; PCI — percutaneous coronary intervention; CCS — Canadian Cardiovascular Society; CTO — chronic total occlusion; RCA — right coronary artery; LAD — left anterior descending artery; QCA — quantitative coronary angiography