Is IgG4-Related Disease a Cause of Xerostomia? A Cohort Study of 60 Patients

Table 2

Results of immunostaining with anti-IgG and anti-IgG4 antibodies. Ratio > 40% means that plasma cells have not been counted (when >50/HPF).

Patient	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
Ratio IgG4+/IgG+	2/2	3/6	3/6	2/1	41/46	5/12	2/2	1/1	12/7	3/6	5/12	10/7	4/5	2/2	>40%	>40%	>40%	>40%