The incidence of MACE was comparable between patients randomized to adenosine and placebo at 30 days [ 12.3 % ( 16/130 ) vs. 17.2 % ( 22/128 ) , P = 0.295 ] and at 12 months [ 12.3 % ( 16/130 ) vs. 18.0 % ( 23/128 ) , P = 0.227 ] .