Randomized Clinical Trial
Copyright ©The Author(s) 2015.
World J Gastroenterol. Feb 28, 2015; 21(8): 2483-2489
Published online Feb 28, 2015. doi: 10.3748/wjg.v21.i8.2483
Table 1 Patients’ characteristics
CharacteristicsGroup AGroup B
n7172
Age (yr)57.560.2
Gender (M:F)44:2746:26
Indication
Early esophageal cancer31
Early gastric cancer.3936
Gastric adenoma1015
Gastric maltoma31
Gastric/duodenal subepithelial lesion1414
Gastric polyp or erosion34
Location of lesion
Esophagus31
Gastric cardia01
Stomach upper body138
Stomach midbody01
Stomach lower body1719
Gastric angle714
Gastric antrum3227