Table 1.
Characteristics of patients aged 75 years and older
| Total n=979 | No P-PCI n=181 | P-PCI n=798 | P value | |
| Age | 83.1 (6.01) | 85.0 (6.20) | 82.7 (5.89) | <0.001 |
| Sex women (%) | 39.8 | 46.4 | 38.3 | 0.055 |
| Killip III-IV admission (%) | 15.3 | 27.6 | 12.5 | <0.001 |
| GFR <60 mL/min (%) | 42.4 | 52.3 | 40.1 | 0.004 |
| Glucose <126 mg/dL (%) | 65.4 | 68.2 | 64.7 | 0.432 |
| Diabetes mellitus (%) | 0.668 | |||
| No | 65.7 | 68.0 | 65.2 | |
| Yes, diet control | 3.47 | 2.76 | 3.63 | |
| Yes, OADs control | 21.5 | 18.8 | 22.1 | |
| Yes, insulin control | 8.89 | 10.5 | 8.52 | |
| Yes, diabetes in hospitalisation | 0.51 | 0.00 | 0.63 | |
| Smoker (%) | <0.004 | |||
| Never | 64.5 | 75.1 | 62.0 | |
| Actual | 11.8 | 8.29 | 12.7 | |
| Ex-smoker >30 days | 23.7 | 16.6 | 25.3 | |
| Arterial hypertension | 73.0 | 75.1 | 72.6 | 0.539 |
| Previous MI | 14.6 | 14.4 | 14.7 | 1.000 |
| Previous angina | 11.6 | 16.6 | 10.5 | 0.031 |
| Previous CHF | 4.60 | 10.5 | 3.26 | <0.001 |
| Previous stroke | 9.60 | 13.8 | 8.65 | 0.047 |
| Previous PCI | 11.0 | 7.73 | 11.8 | 0.151 |
| Previous CABG | 2.15 | 2.76 | 2.01 | 0.568 |
| COPD | 13.6 | 14.9 | 13.3 | 0.646 |
| CRF | 13.8 | 19.9 | 12.4 | 0.012 |
| Antiplatelet (%) | <0.001 | |||
| None | 4.19 | 8.29 | 3.26 | |
| One antiplatelet* | 5.52 | 16.6 | 3.01 | |
| Combination† | 90.3 | 75.1 | 93.7 | |
| Heparin hospitalisation (%) | <0.001 | |||
| None | 17.5 | 34.8 | 13.5 | |
| UFH | 41.5 | 12.2 | 48.1 | |
| LMWH | 29.0 | 48.6 | 24.6 | |
| UFH+LMWH | 12.1 | 4.42 | 13.8 | |
| ACE inhibitors (%) | 57.8 | 47.5 | 60.2 | 0.002 |
| Beta-blockers (%) | 55.5 | 48.6 | 57.0 | 0.049 |
| Diuretics (%) | 39.3 | 51.4 | 36.6 | <0.001 |
| Coronariography (%) | <0.001 | |||
| No | 10.4 | 56.4 | 0.00 | |
| Yes | 89.1 | 42.5 | 99.6 | |
| Major bleeding | 3.16 | 2.90 | 4.42 | 0.405 |
| Exitus, reinfartcion or Killip III-IV during hospitalisation | 22.7 | 40.9 | 18.5 | <0.001 |
Results with and without P-PCI.
*Only aspirin or ticlopidine or clopidogrel or others.
†Two antiplatelet drugs.
CABG, coronary artery bypass grafting; CHF, chronic heart failure; COPD, chronic obstructive pulmonary disease; CRF, chronic renal failure; GFR, glomerular filtration rate; LMWH, low molecular weight heparin; MI, myocardial Infarction; OADs, oral antidiabetic’s drugs; PCI, percutaneous coronary intervention; P-PCI, primary percutaneous coronary intervention; UFH, unfractioned heparin.