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

Table 4 Features of immunoglobulin (Ig) elevation in patients

Features	No.	Percentage (%)
isolated IgM elevation	37	41.57
isolated IgG elevation	17	19.10
both IgM and IgG elevation	23	25.84
neither IgM nor IgG elevation	12	13.48
Total	89	100.00

ISSN: 1471-230X