Table 5. Visual changes according to esophagogastroduodenoscopy in children with / without esophageal manifestations of GERD

Pathology	Group A2 (with esophageal symptoms) n = 43	Group B2 (no esophageal symptoms) n = 39	p-value
	n / Total (%)	n / Total (%)
Catarrhal esophagitis	23 (53)	23 (59)	0,587
Erosive esophagitis	6 (14)	2 (5)	0,172
Esophageal stricture	2 (5)	0 (0)	0,159
Insufficiency of the cardia	11 (26)	8 (21)	0,597
Gastroesophageal prolapse	3 (7)	4 (10)	0,627
Gastritis	18 (42)	21 (54)	0,280
Duodenitis	11 (26)	17 (44)	0,089
Without pathology	4 (9)	2 (5)	0,484
Biopsy of the esophageal mucosa, n = 14, abs.
Barrett’s esophagus	1	0	0,323
Reactive changes	0	3	0,059

p-value was calculated using Chi-square test, Fisher’s exact test