Fig. 1.

Serum levels of IgG4 in 147 patients with autoimmune pancreatitis (AIP) (602.8 ± 609.1 mg/dl) were significantly higher than those (52.4 ± 57.2 mg/dl) in 180 control patients (103 cases of alcoholic chronic pancreatitis, 18 of pancreatic cancer, 13 of primary sclerosing cholangitis, 11 of idiopathic chronic pancreatitis, 5 of cholangiocarcinoma, 2 of Sjögren’s syndrome, and 28 other)