| Total cohort (n = 172) | Male (n = 143) | Female (n = 29) | Significance | |
| Age (years) | 62.7 (8.7) | 61.9 (8.6) | 66.6 (8.2) | p = 0.006 |
| BMI (kg/m2) | 30.0 (4.3) | 30.0 (4.2) | 29.9 (5.2) | p = 0.915 |
| History of smoking* | 68.6% | 66.2% | 80.0% | p = 0.139 |
| History of hypertension† | 49.1% | 46.9% | 60.0% | p = 0.191 |
| History of diabetes‡ | 21.1% | 22.8% | 13.3% | p = 0.250 |
| Hypercholesterolaemia¶ | 76.0% | 72.4% | 93.3% | P = 0.015 |
| Family history of IHD§ | 52.0% | 51.7% | 53.3% | p = 0.872 |
| On β-blocker therapy | 88.6% | 87.6% | 93.3% | p = 0.368 |
| On ACE inhibitor therapy | 78.9% | 80.7% | 70.0% | p = 0.192 |
| On statin therapy | 96.0% | 95.9% | 96.7% | p = 0.838 |
*History of smoking, smoking within 5 years of ⩾20 pack years. †History of hypertension as per patient records. ‡History of diabetes as per patient records. ¶Hypercholesterolaemia, previous total cholesterol ⩾5.0 mmol/l. §Family history of IHD, first degree relative with confirmed IHD at ⩽60 years.
ACE, angiotensin-converting enzyme; BMI, body mass index; IHD, ischaemic heart disease.