Reference [24]
Metavir fibrosis
score (F)
Finding
0 No scarring
1 Minimal scarring
2 Scarring has occurred and
extends outside the areas in the liver
that contains blood vessels
3 Bridging fibrosis is spreading and
connecting to other areas that
contain fibrosis
4 Cirrhosis or advanced scarring
of the liver

Reference [24]
Metavir activity
score (A)
Finding
0 No activity
1 Mild activity
2 Moderate activity
3 Severe activity









Reference [19,20]
Autoimmune antibody % of patients infected
with Hepatitis C
Antinuclear antibody (ANA) 17 - 41%
Anti-smooth muscle cell 9 - 40%
Antithyroglobulin 8 - 13%
Anti-cardiolipin 20 - 27%
Rheumatoid factor up to 71%