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目的探讨平顶山市居民肠易激综合征(IBS)及功能性便秘的流行病学情况。方法采用整群随机抽样法抽取平顶山市居民5784人进行问卷调查,同时问卷普通内科及消化专科门诊连续病例各2012及990例。结果(1)平顶山市居民IBS的患病率为5.6%,普通内科门诊及消化专科门诊中IBS所占的比例分别为10.1%、34.3%。IBS女性病人发病率显著高于男性。年龄对IBS的患病率无显著影响。IBS各亚型构成比为:腹泻主导型占63.2%,便秘主导型占27.0%,其它型占9.8%。(2)平顶山市居民功能性便秘的患病率为3.0%。普通内科门诊及消化专科门诊中所占的比例分别为5.4%、4.8%。男性患病率显著低于女性。随着年龄的增加,功能性便秘患病率升高。结论平顶山市居民IBS及功能性便秘的患病率低于国外报道水平。
Objective To investigate the epidemiology of irritable bowel syndrome (IBS) and functional constipation in Pingdingshan City. Methods A total of 5784 residents in Pingdingshan City were sampled by cluster random sampling method to conduct questionnaire survey. At the same time, 2012 and 990 consecutive cases of general internal medicine and digestive specialist outpatients were surveyed. Results (1) The prevalence of IBS among residents in Pingdingshan City was 5.6%. The proportion of IBS in general outpatients and digestive specialists was 10.1% and 34.3% respectively. The incidence of IBS female patients was significantly higher than that of men. Age had no significant effect on the prevalence of IBS. IBS subtypes constitute the ratio of: diarrhea dominant accounted for 63.2%, constipation dominant accounted for 27.0%, other accounted for 9.8%. (2) The prevalence of functional constipation in residents in Pingdingshan is 3.0%. The proportion of general medical outpatient and digestive specialist clinics was 5.4% and 4.8% respectively. The prevalence of males was significantly lower than that of females. With age, the prevalence of functional constipation increased. Conclusion The prevalence of IBS and functional constipation in Pingdingshan City is lower than that in foreign countries.