Table 3.

Effect of different timing of secondary warm ischemia on apoptosis index of bile duct epithelia and bile duct injury severity score (mean ± SD)

Group	Apoptosis index of bile duct epithelia		Bile duct injury severity score
	6 h	24 h	6 h	24 h
I	5.87 ± 0.50	7.13 ± 0.60	2.5 ± 0.3	2.9 ± 0.2
II	7.58 ± 0.31a	8.96 ± 0.67a	3.6 ± 0.3a	3.7 ± 0.4a
III	8.98 ± 0.69ac	9.90 ± 0.48ac	4.7 ± 0.2ac	5.1 ± 0.3ac
IV	11.99 ± 0.49bce	13.08 ± 0.65bde	6.1 ± 0.4be	6.5 ± 0.2bce

^aP < 0.05,

^bP < 0.01 vs group I;

^cP < 0.05,

^dP < 0.01 vs group II;

^eP < 0.05 vs group III.