Demographic and clinical characteristics of patients undergoing coronary angiography in the ACRE (appropriateness of coronary revascularisation) study (n=3631)
| Characteristic | % |
| Age (years) | |
| ⩽ 49 | 16 |
| 50–59 | 29 |
| 60–69 | 37 |
| ⩾ 70 | 18 |
| Women | 29 |
| Coronary artery disease risk factors | |
| Smoking (former/current ) | 58/12 |
| Hypertension | 32 |
| Plasma total cholesterol > 5.5 mmol/L | 53 |
| Family history | 34 |
| Diabetes | 14 |
| Body mass index > 27 kg/m2 | 49 |
| Current medication | |
| Aspirin | 75 |
| β blocker | 43 |
| Calcium antagonist | 47 |
| Nitrate | 59 |
| Previous investigation | |
| Exercise ECG | 48 |
| Thallium scan | 2 |
| Coronary angiography | 24 |
| Previous revascularisation | |
| PTCA or stenting | 7 |
| CABG | 10 |
| Time on waiting list for index coronary angiogram (weeks) | |
| < 4 | 32 |
| 5–12 | 28 |
| 13–24 | 19 |
| ⩾ 25 | 21 |
CABG, coronary artery bypass graft; PTCA, percutaneous transluminal coronary angioplasty.