Retrospective Cohort Study
Copyright ©The Author(s) 2017.
World J Gastrointest Endosc. Aug 16, 2017; 9(8): 389-395
Published online Aug 16, 2017. doi: 10.4253/wjge.v9.i8.389
Table 1 Baseline characteristics n (%)
Biopsy/surgical specimen diagnosis
P value
Total (n = 144)Neoplastic lesions (n = 41)Non-neoplastic lesions (n = 103)
Sex (female)74 (51.4)19 (46.3)55 (53.4)0.445
Age, yr, mean ± SD51.33 ± 16.556.73 ± 17.149.19 ± 15.80.014
Initial endoscopy indication< 0.001
Suspected tumor70 (48.6)32 (78.0)38 (36.9)
Other74 (51.4)9 (22.0)65 (63.1)
Location0.187
Vater ampulla2 (1.4)1 (2.4)1 (1.0)
Colon14 (9.7)6 (14.6)8 (7.8)
Duodenum4 (2.8)1 (2.4)3 (2.9)
Esophagus24 (16.7)8 (19.5)16 (15.5)
Stomach59 (41.0)10 (24.4)49 (47.6)
Ileum1 (0.7)0 (0.0)1 (1.0)
Pancreas8 (5.6)1 (2.4)7 (6.8)
Rectum3 (2.1)1 (2.4)2 (1.9)
Bile duct29 (20.1)13 (31.7)16 (15.5)