Baseline characteristics
| Total population (n=257) | |
| Age | 67.6±10.6 |
| Gender (male) | 150 (58.4%) |
| Dobutamine stress echo | 210 (81.7%) |
| Diabetes | 80 (31.1%) |
| Smoking | 36 (14%) |
| Hyperlipidaemia | 174 (67.7%) |
| Hypertension | 188 (73.2%) |
| Family history of CAD | 57 (22.2%) |
| NICE PTP score | 83.2%±10.8% |
| Ejection fraction | 3 (0.8%) |
| Normal | 214 (93.8%) |
| Mildly impaired | 13 (5.1%) |
| Moderately impaired | 1 (0.4%) |
| Severely impaired | 2 (0.8%) |
| Positive SE | 106 (41.2%) |
| Invasive coronary angiogram | 65 (25.3%) |
| Revascularisation | 15 (5.8%) |
| MACCE | 5 (2.0%) |
CAD, coronary artery disease; MACCE, major adverse cardiac and cerebrovascular event; NICE, National Institute for Health and Care Excellence; PTP, pretest probability.