全国城市中小学生肠易激综合征现况调查

目的分析我国城市中小学生肠易激综合征（IBS）的患病率及分布特征。方法采用多级整群随机抽样方法,对我国六个省及两个直辖市中51956名中小学生进行流行病学问卷调查。结果全国符合Manning及罗马Ⅱ诊断标准IBS期间患病率分别为53．5％及20．2％,以高中生居多,男女患病率差异无统计学意义（P〉0．05）;南方地区患病率分别为53．3％及19．6％;北方地区患病率分别为51．2％及18．9％;西部地区患病率分别为58．0％及23．4％。结论IBS是城市中小学生的常见病及多发病,患病率随着年龄的增长而上升。

An epidemiologic study of irritable bowel syndrome among adolescents in China

OBJECTIVE: To explore the prevalence of irritable bowel syndrome (IBS) and its distribution characteristics among adolescents in China. METHODS: A stratified and randomized study by cluster sampling was employed, the study recruited 51 956 students from high and primary schools in different Chinese cities. All students were requested to fill in a questionnaire. RESULTS: The prevalence of IBS in China was 53.5% according to the Manning criterion and 20.2% according to the Rome II criterion. The prevalence in male and female students showed no significant difference (P>0.05), but there was higher prevalence of IBS in high school students. The prevalence of IBS was 53.3% according to the Manning criterion and 19.6% according to the Rome II criterion in south China. The prevalence of IBS was 51.2% according to the Manning criterion and 18.9% according to the Rome II criterion in North China. The prevalence of IBS was 58.0% according to the Manning criterion and 23.4% according to the Rome II criterion in west China. CONCLUSION: IBS is a common disorder among the adolescents and the prevalence of IBS is increasing with increase of age in adolescents.