High prevalence of irritable bowel syndrome in medical outpatients in Japan

Masae Shinozaki, Shin Fukudo, Michio Hongo, Tooru Shimosegawa, Daisuke Sasaki, Kei Matsueda, Shigeru Harasawa, Soichiro Miura, Tetsuya Mine, Hiroshi Kaneko, Tetsuo Arakawa, Ken Haruma, Akira Torii, Takeshi Azuma, Hiroto Miwa, Mikihiko Fukunaga, Masanori Handa, Shigeru Kitamori, Takeshi Miwa

研究成果: Article査読

43 被引用数 (Scopus)

抄録

Background and Goals: The prevalence of irritable bowel syndrome (IBS) among Japanese patients who visit hospitals departments of internal medicine is thought to be high. However, no clear statistical evidence has been provided to support such a claim. We tested the hypotheses that the prevalence of IBS in medical outpatients clinics in Japan is high, and that IBS patients feel more psychosocial stress than patients without IBS. Study: The subjects in this study were 633 patients who visited participating physicians. Patients were asked to fill in the Japanese version of the Rome II Modular Questionnaire (RIIMQ) for IBS diagnosis, the Self-reported Irritable Bowel Syndrome Questionnaire (SIBSQ) for severity of the disease and the demographic questionnaire for perceived stress and life style. Results: Rome II-defined IBS was diagnosed in 196 patients (31%). Analysis of variance revealed significant difference in the IBS scores of SIBSQ among IBS subjects (39.0±11.1, mean±SD), functional bowel disorder subjects (27.1±10.2), and normal subjects (24.0±10.0, P<0.01). The prevalence of IBS depending on age formed 2 peaks, one among adolescents and the other among the elderly. IBS patients had significantly more perceived stress (P<0.0001), irregular sleep habit (P<0.0001), and irregular meal habit (P<0.0001) than those without IBS. Conclusions: The prevalence of IBS among medical outpatients in Japan is high (31%). IBS subjects among medically ill patients are thought to have more perceived stress and less regular life styles.

本文言語English
ページ(範囲)1010-1016
ページ数7
ジャーナルJournal of Clinical Gastroenterology
42
9
DOI
出版ステータスPublished - 2008 10月

ASJC Scopus subject areas

  • 消化器病学

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