Table 3 Pre- and postoperative serum levels of cardiac troponin I (ng/ml)

Before surgery

0.004 ± 0.008

0.005 ± 0.011

0.010 ± 0.012

2 h after surgery

0.84 ± 0.79

1.61 ± 1.68

1.18 ± 0.77

6 h after surgery

1.48 ± 0.83

1.57 ± 0.78

1.65 ± 0.98

12 h after surgery

1.52 ± 0.62

1.57 ± 0.89

1.56 ± 0.61

24 h after surgery

1.67 ± 1.03

1.92 ± 2.45

1.17 ± 0.56*

48 h after surgery

0.97 ± 0.61

1.32 ± 1.83

0.75 ± 0.42

7 days after surgery

0.19 ± 0.23

0.33 ± 0.88

0.10 ± 0.05*