Number of patients | 4815 | 1487 | 1777 | 1551 | |
Age (years) | 61.4 (12.5) | 61.0 (12.2) | 60.8 (12.4) | 62.3 (12.9) | 0.002 |
Women | 25.6% | 23.5% | 24.1% | 29.5% | 0.025 |
Prior PTCA | 8.7% | 8.5% | 9.2% | 8.3% | 0.261 |
Prior CABG | 2.5% | 2.6% | 1.9% | 3.0% | 0.675 |
Anterior wall MI | 42.1% | 42.4% | 40.9% | 43.1% | 0.933 |
Bundle branch block | 1.5% | 0.94% | 1.7% | 1.9% | 0.497 |
Cardiogenic shock | 14.1% | 16.3% | 12.9% | 13.2% | 0.166 |
Pre-hospital delay (min) | 180 (158) | 166 (152) | 169 (145) | 204 (173) | <0.0001 |
Three vessel disease | 24.4% | 23.3% | 21.8% | 28.6% | 0.0001 |
TIMI 3 flow after primary angioplasty | 87.5% | 89.3% | 89.0% | 84.1% | 0.0005 |
In-hospital mortality | 9.3% | 9.2% | 8.3% | 10.5% | 0.552 |
OR | NA | 1 (reference) | 0.89 | 1.16 | NA |
95% CI | | | 0.70 to 1.13 | 0.91 to 1.47 | |
p Value | NA | NA | 0.375 | 0.256 | NA |