Table 1 Simplified criteria for AIH diagnosis—2008 [30]
Parameter | Cut-off point | Score |
|---|---|---|
Positive ANA or positive smooth muscle | ≥ 1:40 | + 1 |
Positive ANA or positive smooth muscle | ≥ 1:80 | + 2 |
or anti-LKM positive | ≥ 1:40 | + 2 |
or anti-SLA/LP positive | Any value | + 2 |
IgG or gamma-globulin | Above the normal limit | + 1 |
> 1.1 instead of the upper limit | + 2 | |
Liver biopsy (evidence of hepatitis is indispensable) | Compatible | + 1 |
Typical | + 2 | |
Atypical | 0 | |
Viral hepatitis | Yes | 0 |
No | + 2 |