Histologic characteristics of gastric polyps in Korea: Emphasis on discrepancy between endoscopic forceps biopsy and endoscopic mucosal resection specimen

Table 1 Patient characteristics, polyp characteristics, and biopsy results

Age (Mean ± SD, yr)	59.9 ± 10.8
Sex (Male : Female)	25:49
Number of polyps
1	66 (89.2%)
2	5 (6.8%)
3	3 (4.0%)
Location of polyps
Antrum	50 (58.8%)
Body
Low	16 (18.8%)
Mid	9 (10.6%)
High	5 (5.9%)
Angle	3 (3.5%)
Fundus	2 (2.4%)
Diameter of polyps (cm)
< 1	36 (42.4%)
1-1.9	38 (44.7%)
2-3	11 (12.9%)
Yamada type
I	33 (33.8%)
II	24 (28.2%)
III	12 (14.1%)
IV	16 (18.9%)
Endoscopic biopsy results
Tubular adenoma	41 (48.2%)
Hyperplastic polyp	26 (30.6%)
Inflammatory polyp	13 (15.3%)
Fundic gland polyp	2 (2.4%)
Dysplasia	2 (2.4%)
Tubulovillous adenoma	1 (1.1%)