Table 1

 Baseline characteristics and outcome by door to angiography time

OverallTime (min)p Value
CABG, coronary artery bypass grafting; CI, confidence interval; MI, myocardial infarction; NA, not applicable; OR, odds ratio; PTCA, percutaneous transluminal coronary angioplasty; TIMI, thrombolysis in myocardial infarction.
Number of patients4815148717771551
Age (years)61.4 (12.5)61.0 (12.2)60.8 (12.4)62.3 (12.9)0.002
Prior PTCA8.7%8.5%9.2%8.3%0.261
Prior CABG2.5%2.6%1.9%3.0%0.675
Anterior wall MI42.1%42.4%40.9%43.1%0.933
Bundle branch block1.5%0.94%1.7%1.9%0.497
Cardiogenic shock14.1%16.3%12.9%13.2%0.166
Pre-hospital delay (min)180 (158)166 (152)169 (145)204 (173)<0.0001
Three vessel disease24.4%23.3%21.8%28.6%0.0001
TIMI 3 flow after primary angioplasty87.5%89.3%89.0%84.1%0.0005
In-hospital mortality9.3%9.2%8.3%10.5%0.552
ORNA1 (reference)0.891.16NA
95% CI0.70 to 1.130.91 to 1.47
p ValueNANA0.3750.256NA