Review Article

Autoimmune Hepatitis as a Unique Form of an Autoimmune Liver Disease: Immunological Aspects and Clinical Overview

Table 2

Simplified diagnostic criteria for autoimmune hepatitis.

VariableCutoffPoints

ANA or SMA≥1 : 401
ANA or SMA≥1 : 80
or LKM≥1 : 402*
or SLAPositive
IgG>Upper normal limit1
>1.10 times upper normal limit2
Liver histology (evidence of hepatitis is a necessary condition)Compatible with AIH1
Typical AIH2
Absence of viral hepatitisYes2
≥6: probable AIH
≥7: definite AIH