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Table 1 Histological characteristics of gastric lesions in children with gastritis without H. pylori (negative) and children with gastritis who were infected with H. pylori (positive) based on the updated Sydney system

From: Differential expression of miRNA-146a and miRNA-155 in gastritis induced by Helicobacter pylori infection in paediatric patients, adults, and an animal model

Gastritis Infection with H. pylori N = 25 Activity Atrophy Metaplasia
Chronic Negative 5 (55.5%) 1 L N
Follicular chronic Negative 2 (22.25%) 0 N N
Reactive gastropathy Negative 2 (22.25%) 0 N Intestinal
Chronic Positive 10 (62.5%)
 (4) 1 N N
 (2) 1 L
 (2) 2 L
 (2) 2 M
Follicular chronic Positive 4 (25%)
 (2) 0 N N
 (1) 0 L
 (1) 1 L
Reactive gastropathy Positive 2 (12.5%) 1 N N
  1. Activity: 0 (null); 1 (mild); 2 (Moderate); 3(severe)
  2. Atrophy: N Negative, L Light, M Moderate
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