| Viable | Non-viable | ||
---|---|---|---|---|
 | Invasive | Conservative |  | P- value* |
Characteristic | (n = 106) | (n = 110) | (n = 75) | Â |
Male | 75% | 81% | 66% | 0.41 |
Age (yrs) | 60 | 59 | 64 | 0.52 |
Clinical history (%) | Â | Â | Â | Â |
Angina | 41% | 44% | 54% | 0.68 |
Myocardial infarction | 6% | 4% | 9% | 0.53 |
Percutaneous coronary intervention | 2% | 3% | 9% | 1.0 |
Coronary- artery bypass grafting | 0% | 1% | 1% | 1.0 |
Risk factors (%) | Â | Â | Â | Â |
Dabetes mellitus | 8% | 13% | 12% | 0.26 |
Hypertension | 27% | 28% | 30% | 1.0 |
Hypercholesterolemia | 19% | 14% | 18% | 0.36 |
Current sigaret smoking | 45% | 40% | 64% | 0.49 |
Family history of CAD | 33% | 31% | 20% | 0.77 |
Medications at admission (%) | Â | Â | Â | Â |
Aspirin | 17% | 9% | 14% | 0.11 |
Beta- blocker | 12% | 12% | 18% | 1.0 |
Ca- inhibitor | 9% | 4% | 8% | 0.16 |
Statins | 15% | 6% | 12% | 0.02 |
ACE- inhibitor | 8% | 6% | 15% | 0.59 |
AT II antagonist | 6% | 6% | 5% | 1.0 |
Time from onset of symptoms To randomization-hr | 73± 32 | 69± 25 | 78± 31 | 0.53 |
Time from onset of symptoms To thrombolysis-minutes | 184± 155 | 200± 147 | 190± 112 | 0.65 |
Thrombolysis | 53% | 45% | 47% | 0.34 |
Anterior infarction | 31% | 33% | 47% | 0.88 |
Ejection Fraction (EF%) | 52.7 | 54.7 | 53.5 | 0.32 |
Randomization to revascularization | Â | Â | Â | Â |
   mean (days) | 5.6 |  |  |  |
   median (days) | 2 |  |  |  |
Occluded IRA (%) | 19.8 | Â | Â | Â |
Absence of collaterals (%) | 63.2 | Â | Â | Â |
Protocol PCI (%) | 73 | Â | Â | Â |
CABG (%) | 11 | Â | Â | Â |
No revascularization (%) | 16 | Â | Â | Â |