The Use of Antifibrotic Recombinant nAG Protein in a Rat Liver Fibrosis Model

Table 1

Metavir histological grading of liver fibrosis.

Grade of fibrosis	Description
F0	no fibrosis
F1	Mild fibrosis: Fibrous portal expansion with mild localized fibrosis in the portal area
F2	Moderate fibrosis: Portal fibrosis with few fibrous septa.
F3	Severe fibrosis: Portal fibrosis with numerous fibrous septa.
F4	Cirrhosis: Marked portal-to-portal and portal-to central fibrosis with regenerative nodules.