Gastric mucosal precancerous lesions in Helicobacter pylori-infected pediatric patients in central China: A single-center, retrospective investigation

Table 3 Precancerous lesions in the gastric mucosa in children and adolescents

Age group	H. pylori+				Subtotal	H. pylori-				Subtotal
	n	Atrophy	IM	Dysplasia		n	Atrophy	IM	Dysplasia
1-4	22	1	1	1	3	32	0	0	0	0
5-8	156	4	4	1	9	43	0	0	0	0
9-12	383	6	3	6	15	52	0	0	0	0
13-18	293	6	3	1	10	34	1	0	0	1
Total	854	37 (4.33%)a				161	1 (0.62%)

^aP < 0.05: The incidence of gastric mucosal precancerous lesions was compared between Helicobacter pylori (H. pylori)-positive and H. pylori-negative patients.

IM: Intestinal metaplasia; H. pylori: Helicobacter pylori.