Table 4: Main endoscopic findings according to appropriateness of the indication

Endoscopic finding		Not appropriate indications, n (%)		Appropriate indications, n (%)		OR (99% CI)
Clinically relevant
1. Erosive esophagitis		17 (4)		91 (15.4)		4.40 (2.18–8.87)*
2. Erosive gastritis		46 (10.7)		67 (11.3)		1.06 (0.63–1.79)
3. Esophageal varices		0 (0)		10 (1.7)		15.47 (0.37–645.5)
4. Duodenal ulcer		9 (2.1)		91 (15.4)		8.47 (3.39–21.17)*
5. Barrett’s esophagus		14 (3.3)		3 (0.5)		0.15 (0.029–0.78)*
6. Gastric ulcer		0 (0)		18 (3)		27.64 (0.68–1111.64)
7. Erosive duodenitis		37 (8.6)		66 (11.2)		1.32 (0.76–2.31)
8. Gastric polyps		16 (3.7)		13 (2.2)		0.57 (0.21–1.53)
9. Gastric cancer		0 (0)		7 (1.2)		10.99 (0.25–474.45)
10. Esophageal cancer		0 (0)		10 (1.7)		15.47 (0.37–645.55)
11. Esophageal stenosis		6 (1.4)		3 (0.5)		0.35 (0.05–2.23)
Not clinically relevant
1. Normal		246 (57.4)		89 (15)		0.13 (0.08–0.19)*
2. Nonerosive gastritis		12 (2.8)		65 (11)		4.28 (1.87–9.79)*
3. Non erosive duodenitis		0 (0)		6 (1)		9.51 (0.21–417.96)
4. Hiatus hernia		25 (5.8)		52 (8.8)		1.55 (0.81–2.97)
Total		428		591

*p < 0.01