Research Article

Clinical Usefulness of the VS Classification System Using Magnifying Endoscopy with Blue Laser Imaging for Early Gastric Cancer

Table 1

Clinical characteristics of the patients () and the early gastric cancers ().

Characteristic

Sex ratio (male/female)280/106
Age, years, mean (SD)70.3 (10.4)
Tumor location, n (%)
 Upper74 (18)
 Middle138 (33)
 Lower205 (49)
Macroscopic type, n (%)
 0-I, 0–IIa142 (34)
 0–IIb, 0–IIc275 (66)
Tumor size, mm, mean (SD)18.6 (13.2)
Histological type, n (%)
 Differentiated383 (92)
 Undifferentiated34 (8)
Depth, n (%)
 T1a377 (90)
 T1b40 (10)
Helicobacter pylori
 Eradicated, n (%)79 (19)
 Noneradicated, n (%)338 (81)

SD: standard deviation.