Table I.

Ludwig and Scheuer’s staging systems for PBC.

Stage	Ludwig System	Scheuer System
I	Portal inflammation with bile duct damage, with or without florid duct lesions	Portal inflammation with bile duct damage, with or without florid duct lesions
II	Periportal inflammation/ Interface hepatitis	Ductular reaction
III	Bridging fibrosis	Bridging fibrosis
IV	Biliary cirrhosis	Biliary cirrhosis