Patient demographics
| POBA | Stent | Total | |
| Age (years) (mean (SD)) | 57.2 (9.3) | 59.2 (9.2) | 58.2 (9.3) |
| Male | 111 (76%) | 117 (76%) | 228 (76%) |
| Current smoker | 42 (29%) | 27 (18%) | 69 (23%) |
| Ex-smoker | 75 (51%) | 86 (56%) | 161 (54%) |
| Diabetes (insulin) | 1 (1%) | 1 (1%) | 2 (1%) |
| Diabetes (non-insulin) | 14 (10%) | 9 (6%) | 23 (8%) |
| Hypertension | 57 (39%) | 51 (33%) | 108 (36%) |
| Peripheral vascular disease | 9 (6%) | 4 (3%) | 13 (4.%) |
| Cholesterol (mmol/l) (mean (SD)) | 5.6 (1.25) | 5.5 (1.25) | 5.6 (1.25) |
| CCS 0, I, and II | 77 (53%) | 99 (64%) | 176 (59%) |
| CCS III and IV | 69 (47%) | 55 (36%) | 124 (41%) |
CCS, Canadian Cardiovascular Society angina grade; POBA, balloon angioplasty.