Table 1.
Patient demographics at enrolment
| Demographics | PCI (n = 102) | Placebo (n = 93) | Total (n = 195) |
|---|---|---|---|
| Age, years | 65.9 ± 9.6 | 66.2 ± 8.5 | 66.1 ± 9.1 |
| Male sex | 71 (69.6) | 72 (77.4) | 143 (73.3) |
| Height, cm | 168.5 ± 9.9 | 169.2 ± 8.6 | 168.9 ± 9.3 |
| Weight, kg | 79.6 ± 15.0 | 83.3 ± 16.0 | 81.4 ± 15.6 |
| Smoking status | |||
| Current | 11 (10.8) | 14 (15.1) | 25 (12.8) |
| Previous | 38 (37.3) | 36 (38.7) | 74 (38.0) |
| Never | 53 (51.9) | 43 (46.2) | 96 (49.2) |
| Hypertension | 70 (68.6) | 65 (69.9) | 135 (69.2) |
| Hypercholesterolaemia | 80 (78.4) | 61 (65.6) | 141 (72.3) |
| Diabetes mellitus | 15 (14.7) | 20 (21.5) | 35 (17.9) |
| Previous MI | 5 (4.9) | 5 (5.4) | 10 (5.1) |
| Previous PCI | 10 (9.8) | 13 (14.0) | 23 (11.8) |
| CCS Class | |||
| I | 2 (2.0) | 3 (3.2) | 5 (2.6) |
| II | 64 (62.7) | 53 (57.0) | 117 (60.0) |
| III | 36 (35.3) | 37 (39.8) | 73 (37.4) |
| Left ventricular systolic function | |||
| Normal | 95 (93.1) | 84 (90.3) | 179 (91.8) |
| Mild impairment | 3 (2.9) | 7 (7.5) | 10 (5.1) |
| Moderate impairment | 4 (4.0) | 2 (2.2) | 6 (3.1) |
| Severe impairment | 0 (0) | 0 (0) | 0 (0) |
| Angina duration, months | 5 (4–10) | 6 (4–9) | 6 (4–9) |
| Pre-enrolment clinical positive functional test | 54 (52.9) | 42 (45.2) | 96 (49.2) |
| ETT | 26 (25.5) | 17 (18.3) | 43 (22.1) |
| MIBI | 9 (8.8) | 11 (11.8) | 20 (10.3) |
| DSE | 19 (18.6) | 13 (14.0) | 32 (16.3) |
Values are given as mean ± standard deviation, n (%), or median (interquartile range).
CCS, Canadian Cardiovascular Society angina class; DSE, dobutamine stress echocardiography; ETT, exercise tolerance test; MI, myocardial infarction; MIBI, nuclear medicine myocardial perfusion scan; MRI, magnetic resonance imaging; PCI, percutaneous coronary intervention.