From: Low incidence of positive smooth muscle antibody and high incidence of isolated IgM elevation in Chinese patients with autoimmune hepatitis and primary biliary cirrhosis overlap syndrome: a retrospective study
Features
No.
Incidence (%)
ANA positive
140
95.89
AMA positive
129
88.36
SMA positive
14
9.59
both ANA and AMA positive
122
83.56
both SMA and AMA positive
10
6.85
n = 146