Demographic, clinical and angiographic charactheristics of the study population: percentages weighted to reflect 1003 subjects treated in 2002 and 1128 in 2005
| 2002 (1003) | 2005 (1128) | p Value | |
|---|---|---|---|
| Male (%) | 75.1 | 76.9 | 0.45 |
| Age (mean) | 65+10,7 | 66+11 | 0.071 |
| Age by decades (%) | 0.48 | ||
| <45 | 3.4 | 2.7 | |
| 45–64 | 41.7 | 38.8 | |
| 65–74 | 33.6 | 34.0 | |
| >75 | 21.3 | 24.4 | |
| Diabetes mellitus (%) | 31.9 | 28.8 | 0.22 |
| Arterial hypertension (%) | 68.5 | 73.6 | 0.04 |
| Hypercholesterolemia (%) | 75.1 | 75.8 | 0.76 |
| Previous PCI (%) | 23.0 | 28.5 | 0.03 |
| Previous MI (>3 months) | 29.2 | 28.3 | 0.52 |
| Clinical status at hospital admission | 0.24 | ||
| STEMI (%) | 6.8 | 8.2 | |
| NSTEMI/unstable angina (%) | 45.8 | 48.7 | |
| Stable CAD | 47.5 | 43.2 | |
| LV EF (%) | 0.13 | ||
| <25 | 7.6 | 7.6 | |
| 35–50 | 21.6 | 17.2 | |
| >50 | 70.8 | 75.2 | |
| Number of vessels with ≥50% stenosis (%) | 0.76 | ||
| LM | 7.9 | 8.3 | |
| 1 | 26.8 | 28.4 | |
| 2 | 30.3 | 31.4 | |
| 3 | 35.0 | 31.9 | |
| Number of vessels with ≥70% stenosis (%) | 0.48 | ||
| LM | 1.8 | 2.7 | |
| 1 vessel | 41.4 | 40.9 | |
| 2 vessels | 27.3 | 27.7 | |
| 3 vessels | 22.0 | 19.3 | |
| Syntax score (%) | 0.17 | ||
| <23 | 71.8 | 73.5 | |
| 23–32 | 18.7 | 15.2 | |
| >32 | 9.5 | 11.3 |
CA, coronary angiography; LM, left main coronary artery; LV EF, left ventricular ejection fraction; MI, myocardial infarction; NSTEMI, non-ST segment elevation myocardial infarction; PCI, percutaneous coronary intervention; STEMI, ST segment elevation myocardial infarction (coronary angiography performed at least 24 hours after symptom onset).