Clinical features of upper gastrointestinal serrated lesions: An endoscopy database analysis of 98746 patients

Table 1 General information on patients with serrated lesions in upper gastrointestinal tract

	n (%)
Total	21
Mean age (yr), mean ± SD	55.3 ± 17.2
Gender, male	11 (52.4)
Body mass index (kg/m2), mean ± SD	24.9 ± 5.8
18.5-23.9	13 (61.9)
≥ 24.0	8 (38.1)
History of smoking	7 (33.3)
Alcohol consumption	10 (47.6)
Family history of gastric cancer	1 (4.8)
Indications for endoscopy
Upper abdominal pain	5 (23.8)
Nausea, vomit and reflux	4 (19.0)
Anemia and edema	4 (19.0)
Positive fecal occult blood test	3 (14.3)
A history of gastric polyps	3 (14.3)
Dyspepsia	2 (9.5)