Gadolinium-ethoxybenzyl-diethylenetriamine penta-acetic acid-enhanced magnetic resonance imaging for evaluating fibrosis regression in chronic hepatitis C patients after direct-acting antiviral

Table 5 Relationship between the changes of contrast enhancement index, aminotransferase-to-platelet ratio index, Fibrosis-4, liver stiffness measurement and fibrosis regression

	Fibrosis regression		P value
	Yes (n = 7)	No (n = 14)
CEI%1	107.36 ± 6.33	99.23 ± 7.14	0.020
LSM%	72.06 ± 20.32	81.31 ± 27.44	0.441
APRI%	45.40 ± 13.16	42.51 ± 16.41	0.702
FIB-4%	90.39 ± 24.09	75.69 ± 23.66	0.936

¹Value% = Value_post/Value_pre × 100%.

CEI: Contrast enhancement index; SVR: Sustained virological response; LSM: Liver stiffness measurement; APRI: Aspartate aminotransferase-to-platelet ratio index; FIB-4: Fibrosis-4.