Quantitative assessment of hepatic fibrosis in chronic hepatitis B and C: T1 mapping on Gd-EOB-DTPA-enhanced liver magnetic resonance imaging

Table 2 Pre, Post, reduction rate of T1 relaxation time, and hepatocyte fraction (%) of patients at different METAVIR fibrosis stages

Fibrosis stage, (METAVIR)	F0, n = 23	F1, n = 19	F2, n = 13	F3, n = 6	F4, n = 12	Total, n = 73
Mean pre-T1 liver	180 ± 28	188 ± 19	174 ± 17	192 ± 22	200 ± 24	186 ± 24
Mean post-T1 liver	356 ± 44	355 ± 38	316 ± 34	336 ± 43	305 ± 50	338 ± 46
RE	0.94 ± 0.18	0.89 ± 0.20	0.94 ± 0.16	0.71 ± 0.17	0.52 ± 0.15	0.84 ± 0.23
HeF (%)	88.77 ± 5.10	84.23 ± 6.99	79.71 ± 8.09	70.90 ± 7.27	62.80 ± 7.01	80.24 ± 11.30

Data are presented as mean ± SD. HeF: Hepatocyte fraction; RE: Reduction rate of T1 relaxation time.