although group a was treated significantly earlier than group b after onset of symptoms ( 94 +/- 36 versus 137 +/- 45 min , respectively ; p less than 0.001 ) , no significant differences were observed between the groups in 1 ) extent of myocardial necrosis , 2 ) global left ventricular ejection fraction at discharge , 3 ) patency of infarct-related artery , 4 ) length of hospital stay , and 5 ) mortality at 60 days .
C0027051
myocardial
C0021308
infarct