Table 1.
Baseline and patient characteristics
| Characteristics | Immediate PCI (n = 73) | Deferred PCI (n = 69) | p- value |
|---|---|---|---|
| Demographics | |||
| Male sex | 51 (70) | 51 (74) | 0.6 |
| Age (years), mean (SD) | 63 (12) | 62 (12) | 0.8 |
| Risk factors | 41 (56) | 34 (49) | 0.4 |
| Age > 60 years | |||
| Known CAD | 27 (37) | 25 (36) | 0.6 |
| Diabetes mellitus | 14 (19) | 14 (20) | 1.0 |
| Hypertension | 39 (53) | 23 (33) | 0.03 |
| Smoking | 28 (38) | 27 (39) | 0.8 |
| Family history of IHD | 32 (44) | 29 (42) | 0.8 |
| Hyperlipidaemia | 28 (38) | 22 (32) | 0.6 |
| Peripheral artery disease | 5 (7) | 3 (4) | 0.7 |
| Cardiac history | |||
| Previous MI | 15 (21) | 18 (26) | 0.5 |
| Previous PCI | 20 (27) | 13 (19) | 0.2 |
| Previous CABG | 8 (11) | 1 (1) | 0.02 |
| Previous CHF | 1 (1) | 1 (1) | 0.3 |
| GRACE-risk score | |||
| ≤ 140 | 59 (81) | 54 (78) | 0.7 |
| > 140 | 14 (19) | 15 (22) | 0.7 |
| Coronary angiographic characteristics | |||
| Number of diseased vessels | |||
| 1 | 30 (41) | 37 (54) | |
| 2 | 33 (45) | 22 (32) | 0.3 |
| 3 | 10 (14) | 9 (13) | |
| TIMI flow after PCI | |||
| 0–2 | 4 (5) | 4 (6) | 1.0 |
| 3 | 69 (95) | 64 (93) | |
| Complete revascularisation | 51 (70) | 54 (78) | 0.3 |
| PCI characteristics | |||
| No PCI performed | 0 (0) | 1 (1) | |
| Culprit lesions PCI | 73 (100) | 68 (99) | 0.5 |
| Multiple lesions treated | 21 (29) | 16 (23) | 0.4 |
Data are expressed as number (%) unless stated otherwise.
SD standard deviation, CAD coronary artery disease, MI myocardial infarction, PCI percutaneous coronary intervention, CABG coronary artery bypass graft, CHF congestive heart failure, IHD ischaemic heart disease.