Significant differences in cTnI were found between RIPCsevo and CONTROLsevo groups at 6 , 12 and 24 hours : 1.68 ( 1.28 , 2.09 ) ng/ml vs 3.66 ( 2.07 , 4.49 ) ng/ml , respectively at 6 hours ( p = 0.04 ) ; 1.89 ( 1.59 , 2.36 ) ng/ml vs 3.66 ( 2.91 , 5.64 ) ng/ml , respectively at 12 hours ( p = 0.001 ) ; 1.68 ( 1.55 ; 2.23 ) ng/ml vs 3.32 ( 2.10 ; 5.46 ) ng/ml , respectively at 24 hours ( p = 0.01 ) .