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Eur J Gastroenterol Hepatol. 2009 Jul;21(7):787-93. doi: 10.1097/MEG.0b013e32830e285a.

Changing prevalence of upper gastrointestinal disease in 28 893 Koreans from 1995 to 2005.

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Department of Internal Medicine, Catholic University of Korea, Korea.



Changes in the pattern of gastrointestinal diseases in a population tend to be influenced by changes in diet and lifestyle. Shifts in gastrointestinal disease from 1995 to 2005 in Korea were evaluated, retrospectively.


Seventeen nationwide medical centers participated in this study. The cross-sectional review of endoscopic findings in 28 893 patients included 8441 patients from 1995, 10 350 patients from 2000, and 10 102 patients from 2005.


The prevalence of reflux esophagitis increased from 1.8% in 1995 to 5.9% in 2000 and 9.1% in 2005 (P<0.001, the P value was only for the comparison between 1995 and 2005, the followings were as same). The prevalence of peptic ulcer diseases was 18.0% in 1995, 19.1% in 2000, and 20.2% in 2005 (P<0.001). Although no significant differences were noted in duodenal ulcers (8.4, 8.7, and 8.2%, P=0.449), gastric ulcers showed an increasing trend (9.6, 10.5, and 12.0%, P<0.001). The prevalence of gastric cancer increased from 3.4% in 1995 to 4.5% in 2000 (P<0.001), but then decreased to 2.4% in 2005 (P<0.001). The incidence of advanced gastric cancer was 2.5, 3.2, and 1.3%, respectively (P<0.001), and that of early gastric cancer remained constant with rates of 0.8%, 1.3, and 1.1%, respectively (P=0.056).


The cross-sectional review of data collected in 1995, 2000, and 2005 showed an increase in reflux esophagitis and peptic ulcer diseases. Meanwhile, the prevalence of gastric cancer increased until 2000, but decreased in 2005.

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