Baseline clinical characteristics values are mean±1 SD or n (%)
| Simple n=218 | Complex n=228 | P value | |
| Age (years) | 64±12 | 63±11 | 0.25 |
| Current smoker | 41 (18.9%) | 48 (21.1%) | 0.56 |
| Hypercholesterolaemia | 178 (82.0%) | 184 (81.1%) | 0.79 |
| Hypertension | 152 (70.0%) | 149 (65.6%) | 0.32 |
| Diabetes mellitus | 36 (16.5%) | 35 (15.4%) | 0.74 |
| Family history | 108 (50.5%) | 107 (47.4%) | 0.51 |
| Prior PCI | 77 (35.5%) | 76 (33.5%) | 0.66 |
| Prior CABG | 8 (3.7%) | 4 (1.8%) | 0.21 |
| CCS class ≥2 angina | 205 (94.5%) | 213 (93.8) | 0.98 |
| Indication | |||
| Stable angina pectoris | 188 (86.6%) | 187 (82.4%) | 0.22 |
| Unstable angina pectoris | 28 (12.9%) | 38 (16.7) | 0.26 |
| Silent ischaemia | 1 (0.5%) | 3 (1.3%) | 0.34 |
| Antiplatelet therapy | |||
| Aspirin | 217 (100%) | 227 (100%) | 1 |
| Clopidogrel | 216 (99.5) | 227 (100%) | 1 |
| GP IIb/IIIa inhibitors | 62 (28.6) | 83 (36.9.1) | 0.06 |
| Bivalirudin | 26 (12.0%) | 33 (14.6%) | 0.42 |
CCS, Canadian Cardiovascular Society; GP, glycoprotein receptor.