Relationship between Helicobacter pylori Infection and Plasmacytoid and Myeloid Dendritic Cells in Peripheral Blood and Gastric Mucosa of Children

Table 1

Gastric mucosa histology of H. pylori-infected and noninfected children (median score (range) according to the updated Sydney system: 0, none; 1, mild; 2, moderate; 3, marked).

	Antral mucosa
	MN cells (intensity)	PMN cells (activity)	Atrophy	Intestinal metaplasia	H. pylori^^
Hp+ children	2 (1-3)	1 (0-2)	0 (0-1)	0 (0–0)	1 (1-3)
Hp- children	1 (0-2)	0 (0-1)	0 (0–0)	0 (0–0)	0 (0–0)
	<0.001	0.003	0.703	0.751	<0.001

Abbreviations: MN: mononuclear cells; PMN: polymorphonuclear cells. Hp+ children: H. pylori-infected children; Hp- children: noninfected children. ^{^}Modified Giemsa staining method. Statistically significant differences (Mann-Whitney test).