Baseline characteristics of the prospective cohort (n=42)
| Male, n (%) | 29 (69%) |
| Age, median (range) | 54 (18–75) |
| Body mass index, kg/m2 | 24.3±3.1 |
| Hypertension | 14 (33%) |
| Diabetes mellitus | 4 (10%) |
| Hypercholesterolemia | 14 (33%) |
| Presenting symptoms, n (%) | |
| Exertional chest pain | 8 (19%) |
| Non-exertional chest pain | 24 (57%) |
| Dyspnoea | 2 (5%) |
| Syncope | 2 (5%) |
| No symptom | 7 (17%) |