Survival and favorable outcome were independently associated with early coronary angiography ( OR 1.69 ; 95 % CI 1.06-2 .70 and OR 1.87 ; 95 % CI 1.15-3 .04 ) , coronary reperfusion ( OR 1.94 ; 95 % CI 1.34-2 .82 and OR 2.14 ; 95 % CI 1.46-3 .14 ) , and induced hypothermia ( OR 1.36 ; 95 % CI 1.01-1 .83 and OR 1.42 ; 95 % CI 1.04-1 .94 ) .