Case Control Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Dec 14, 2015; 21(46): 13073-13079
Published online Dec 14, 2015. doi: 10.3748/wjg.v21.i46.13073
Table 1 Demographic data of patients in this study
Patients (n = 1106)Follow-up patients (n = 920)
Gender
Male572486
Female534434
Age
≤ 1011
11-2031
21-305451
31-40146127
41-50214183
51-60321281
61-70314239
71-804935
81-9042
Endoscopic diagnosis
Superficial gastritis302246
Atrophic gastritis2422
Reflux gastritis3531
Erosive gastritis597504
Gastric ulcer2822
Ulcer of gastric fundus11
Ulcer of gastric antrum88
Ulcer of gastric angle64
Duodenal ulcer7257
Gastroduodenal ulcer3023
Other32