. Author manuscript; available in PMC: 2021 Aug 24.

Published in final edited form as: J Pediatr Gastroenterol Nutr. 2019 May;68(5):689–694. doi: 10.1097/MPG.0000000000002227

TABLE 3.

IgG4 staining in eosinophilic esophagitis patients

EoE patients by age group	Any positive IgG4 staining, no. (%)^*	Esophageal level	IgG4 staining strong intensity, no. (%)	IgG4 staining lamina propria location, no. (%)	IgG4 staining epithelium location, no. (%)	IgG4 staining focal distribution, no. (%)
Pediatric, n = 16	8/16 (50)	Distal	6/7 (86)	7/7 (100)	4/7 (57)	4/7 (57)
		Proximal	5/8 (63)	7/8 (88)	4/8 (50)	5/8 (63)
Adult, n = 15	7/15 (47)	Distal	3/7 (43)	5/7 (71)	4/7 (57)	5/7 (71)
		Proximal	2/5 (40)	3/5 (60)	2/5 (40)	3/5 (60)

EoE = eosinophilic esophagitis

Patients with EoE were significantly more likely to stain positively for IgG4 compared to children with reflux esophagitis or healthy controls (15/31 vs 0/8, P = 0.015).