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J Prev Med Public Health > Volume 41(6); 2008 > Article
Journal of Preventive Medicine and Public Health 2008;41(6): 373-379. doi: https://doi.org/10.3961/jpmph.2008.41.6.373
The Prevalence of Atrophic Gastritis and Intestinal Metaplasia according to Gender, Age and Helicobacter Pylori Infection in a Rural Population.
Hyun Ja Kim, Bo Youl Choi, Tae Joon Byun, Chang Soo Eun, Kyu Sang Song, Yong Sung Kim, Dong Soo Han
1Department of Preventive Medicine, Hanyang University College of Medicine, Korea.
2Department of Internal Medicine, Hanyang University College of Medicine, Korea. hands@hanyang.ac.kr
3Department of Pathology, Chungnam National University College of Medicine, Korea.
4Medical Genomics Research Center, KRIBB, Korea.
ABSTRACT
OBJECTIVES: The objective of this study was to evaluate the prevalence of atrophic gastritis and intestinal metaplasia according to gender, age and Helicobacter pylori infection in a rural population in Korea. METHODS: Between April 2003 and January 2007, 713 subjects (298 men and 415 women, age range: 18-85) among the 2,161 adults who participated in a populationbased survey received gastrointestinal endoscopy. All the subjects provided informed consent. Multiple biopsy specimens were evaluated for the presence of atrophic gastritis and intestinal metaplasia. The presence of Helicobacter pylori was determined using CLO and histology testing. RESULTS: The age-adjusted prevalence of atrophic gastritis was 42.7% for men and 38.1% for women and the prevalence of intestinal metaplasia was 42.5% for men and 32.7% for women. The prevalence of atrophic gastritis and intestinal metaplasia increased significantly with age for both men and women (p for trend<0.001). The ageadjusted prevalence of Helicobacter pylori was similar for men (59.0%) and women (56.7%). The subjects with Helicobacter pylori infection showed a significantly higher prevalence of intestinal metaplasia (44.3%) compared with that (26.8%) of the noninfected subjects (p<0.001). However, the prevalence of atrophic gastritis was not statistically different between the Helicobacter pyloriinfected subjects and the noninfected individuals. CONCLUSIONS: Our findings suggest that the prevalence of atrophic gastritis and intestinal metaplasia is higher for a Korean rural population than that for a Western population; this may be related to the high incidence of gastric cancer in Koreans. Especially, the prevalence of intestinal metaplasia was high for the subjects with Helicobacter pylori infection. The multistep process of gastric carcinogenesis and the various factors contributing to each step of this process need to be determined by conducting future follow-up studies.
Key words: Atrophic gastritis; Helicobacter pylori; Korea; Metaplasia; Prevalence
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