Table 3. Frequency of underlying reasons for dyspepsia in endoscopic results and their comparisons in two sexes .

Underlying factor		Frequency (%)	Frequency in men (%)	Frequency in women (%)
Functional dyspepsia		85.6	87.6	84.1
Organic dyspepsia	Duodenal ulcer	4.2	3.2	4.9
	Gastric ulcer	3.0	2.5	3.3
	Gastric hyperplastic polyps	2.7	1.9	3.3
	Duodenal erosion	1.3	1.3	1.4
	Esophageal ulcer	0.8	1.3	0.5
	Esophagitis	0.8	1.0	0.7
	Gastric adenocarcinoma	0.5	0.6	0.5
	Incomplete intestinal metaplasia	0.5	0.0	0.9
	Gastric ulcer - duodenal ulcer	0.4	0.3	0.5
	Esophageal squamous cell carcinoma	0.1	0.3	0.0