Table 1 .
Patient demographics (n = 316)
| Demographic | Value |
|---|---|
| Age/years, median (IQR) | 64.50 (51.00,71.00) |
| Male (%) | 193 (61.1) |
| Height/cm, median (IQR) | 171.50 (162.75,178.00) |
| Weight/kg, median (IQR) | 77.50 (65.07,89.08) |
| Body surface area/m2, median (IQR) | 1.90 (1.72,2.04) |
| Body mass index kg/m2, median (IQR) | 26.16 (22.74,29.59) |
| Canadian Cardiovascular Society grade of angina, n (%): | |
| 0 | 227 (71.8) |
| 1 | 45 (14.2) |
| 2 | 31 (9.8) |
| 3 | 11 (3.5) |
| 4 | 2 (0.6) |
| Dyspnoea status (NYHA), n (%): | |
| 1 | 57 (18.0) |
| 2 | 118 (37.3) |
| 3 | 125 (39.6) |
| 4 | 16 (5.1) |
| Previous myocardial infarction, n (%): | |
| 0 | 297 (94.0) |
| 1 | 15 (4.7) |
| ≥2 | 4 (1.3) |
| Previous percutaneous coronary intervention, n (%) | 13 (4.1) |
| Diabetes, n (%): | |
| Diet controlled | 7 (2.2) |
| Not diabetic | 296 (94.0) |
| Oral therapy | 12 (3.8) |
| Smoking history, n (%): | |
| Current smoker | 25 (7.9) |
| Ex-smoker | 135 (42.7) |
| Never smoked | 156 (49.4) |
| Hypertension, n (%) | 141 (45.3) |
| Hypercholesterolaemia, n (%) | 19 (30.6) |
| Renal disease, n (%): | |
| Acute renal failure | 4 (1.2) |
| Chronic renal failure with dialysis | 1 (0.3) |
| None | 311 (98.4) |
| Pulmonary disease (%): | |
| Asthma | 6 (1.9) |
| COPD/emphysema | 38 (12.0) |
| No | 272 (86.1) |
| Neurological disease, n (%): | |
| Cerebrovascular accident with full recovery | 9 (2.8) |
| Cerebrovascular accident with residual deficit | 6 (1.9) |
| Transient ischaemic attack | 18 (5.7) |
| No history of neurological disease | 283 (89.6) |
| Carotid bruits, n (%) | 3 (4.8) |
| Neurological dysfunction, n (%) | 5 (7.0) |
| Extracardiac arteriopathy, n (%) | 17 (5.4) |
| Sinus rhythm, n (%) | 282 (89.2) |
| Ejection fraction, n (%): | |
| Good (LVEF > 50%) | 261 (82.6) |
| Fair (LVEF 30–50%) | 48 (15.2) |
| Poor (LVEF < 30%) | 7 (2.2) |
| Cardiogenic shock, n (%) | 1 (0.3) |
| Urgent priority, n (%) | 26 (8.2) |
| EuroSCORE, median (IQR) | 5.00 (3.00, 7.00) |
| EuroSCORE (mean ± SD) | 5.58 ± 2.91 |
| Logistic EuroSCORE, median (IQR) | 4.38 (2.09, 8.13) |
| Logistic EuroSCORE (mean ± SD) | 6.98 ± 8.51 |
COPD, chronic obstructive pulmonary disease; IQR, interquartile range; LVEF, left ventricular ejection fraction; NYHA, New York Heart Association grade of dyspnoea; SD, standard deviation