Patients with primary biliary cirrhosis have increased serum total antioxidant capacity measured with the crocin bleaching assay

Table 2 TAC and CTAC in PBC patients before and after UDCA treatment

Group		Before UDCA	After UDCA	Significance
PBC Total	TAC	1.697 ± 0.077	1.289 ± 0.093	< 0.001
	CTAC	1.068 ± 0.071	0.601 ± 0.093	< 0.001
PBC I–II	TAC	1.762 ± 0.082	1.243 ± 0.124	< 0.001
	CTAC	1.169 ± 0.076	0.660 ± 0.115	< 0.001
PBC III–IV	TAC	1.527 ± 0.184	1.410 ± 0.049	NS
	CTAC	0.789 ± 0.153	0.448 ± 0.091	NS