METAVIR scoring system
METAVIR scoring systemA system used to assess inflammation and fibrosis by histopathological evaluation of a liver biopsy of patients with hepatitis C. The grade indicates the activity or degree of inflammation, and the stage represents the amount of fibrosis or scarring.
• A0—No activity.
• A1—Mild activity.
• A2—Moderate activity.
• A3—Severe activity.
• F0—No fibrosis.
• F1—Portal fibrosis without septa.
• F2—Portal fibrosis with few septa.
• F3—Numerous septa without cirrhosis.