Table 1.

Scoring Criteria Used by Pathologists to Assess Fibrosis and NASH Phenotype

	0	1	2	3	4
Lobular fibrosis	Absent	Focal	Multifocal	Diffuse	x
Bridging fibrosis	Absent	<34%	<67%	>66%	Bridging
Periportal fibrosis	Absent	Present	x	x	x
Inflammation 20X		<2 foci	2 to 4	>4	x

NASH, Nonalcoholic steatohepatitis.