Table 3.

Serum levels of troponin in the sufentanil and control groups over time^*

	Sufentanil Group	Control Group	P value
Troponin at induction time (µg/L)	0.10±0.28	0.17±0.33	0.468
Troponin 4 h after unclamping (µg/L)	1.73±0.79	3.24±1.29	<0.001
Troponin 8 h after unclamping (µg/L)	1.26±0.68	2.49±1.18	<0.001
Troponin 24 h after unclamping (µg/L)	0.77±0.55	1.23±0.66	<0.001

^*Data are presented as mean±SD