In patients with ST-elevation MI ( STEMI ) , coronary intervention with BES significantly reduced POCE ( 24.4 % vs 39.3 % ; RR 0.55 , 95 % CI 0.36 to 0.85 , p = 0.006 ) , MACE ( 12.6 % vs 25.0 % ; RR 0.47 , 95 % CI 0.26 to 0.83 , p = 0.008 ) and cardiac death ( 3.0 % vs 11.4 % ; RR 0.25 , 95 % CI 0.08 to 0.75 , p = 0.007 ) , along with a trend towards reduction in definite stent thrombosis ( 3.7 % vs 8.6 % ; RR 0.41 , 95 % CI 0.15 to 1.18 , p = 0.088 ) , compared with SES .