Retrospective Study
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Jul 14, 2014; 20(26): 8631-8637
Published online Jul 14, 2014. doi: 10.3748/wjg.v20.i26.8631
Table 1 Baseline characteristics of gastric tumors n (%)
CharacteristicValue
Gender (female:male)1:2.18 (454:989)
Age, yr, mean ± SD63.0 ± 9.4
Tumor size, mm
< 201034 (71.7)
≥ 20409 (28.3)
Macroscopic appearance
Elevated310 (21.5)
Flat128 (8.9)
Depressed90 (6.2)
Mixed915 (63.4)
Ulcer71 (4.9)
Invasion depth
Mucosa612 (42.4)
Submucosa106 (7.3)
LocationI
Lower third1233 (85.4)
Middle third112 (7.8)
Upper third98 (6.8)
Location II
Anterior wall294 (20.4)
Lesser curvature481 (33.3)
Posterior wall405 (28.1)
Greater curvature263 (18.2)
Histology
Low grade dysplasia534 (37.0)
High grade dysplasia176 (12.2)
Differentiated EGC655 (45.4)
Undifferentiated EGC78 (5.4)
Procedure time, min61.8 (± 47.0)
Curability
Complete resection1287 (89.0)
Incomplete resection156 (11.0)
Resectability
En bloc1318 (91.3)
Piecemeal125 (8.7)
Perforation39 (2.7)
Post-ESD bleeding63 (4.3)