No difference was identified in postoperative cardiac troponin release [ 1.1 ( 0.7-2 ) compared with 1.2 ( 0.6-2 .4 ) ng ml ( -1 ) , P = 0.6 ] , 1 yr all-cause mortality [ 11/100 ( 11 % ) compared with 11/100 ( 11 % ) , P = 0.9 ] , re-hospitalizations [ 20/89 ( 22.5 % ) compared with 11/89 ( 12.4 % ) , P = 0.075 ] , and adverse cardiac events [ 10/89 ( 11.2 % ) compared with 9/89 ( 10.1 % ) , P = 0.8 ] .