Table 1: Demographic characteristics of patients.

Age-year, mean (range) y/o53.1 (22–90)
Gender-number
  Male10643.1%
  Female14056.9%
H. pylori status
 Infection8233.3%
  Noninfection16466.7%
Peptic ulcer-number
  Gastric ulcer7731.3%
  Duodenal ulcer3514.2%
Antrum atrophy
  Normal to mild24499.2%
  Moderate to severe20.8%
Corpus atrophy
  Normal to mild23796.3%
  Moderate to severe93.7%
Antrum intestinal metaplasia
  Normal to mild22189.8%
  Moderate to severe2510.2%
Corpus intestinal metaplasia
  Normal to mild24298.4%
  Moderate to severe41.6%