目的 通过对甘肃省河西地区3个市居民进行流行病学调查, 分析本地区银屑病患病情况.方法 采用整群抽样法在河西地区3个市中选取17 302名居民, 采用问卷调查、临床检查等方法评估居民银屑病患病情况, 观察银屑病的流行病学特征, 分析其主要危险因素.结果17 302名调查对象中, 确诊银屑病97例, 总患病率为0.56％.不同城市、年龄、性别、婚姻状况、文化程度和职业的居民银屑病患病率比较差异无统计学意义 (P>0.05), 而家族史、吸烟史、感染史、精神状态、饮酒及食用羊肉与银屑病发病具有密切相关性.结论 河西地区银屑病发病率与全国平均水平基本一致, 该病在人口学分布方面比较平均, 多种因素均会促进疾病的发生.%OBjECTIVE To analyze the prevalence of psoriasis of 3 cities in Hexi Region of Gansu Province. METHODS 17 302 residents of three cities in Hexi Region of Gansu Province were selected by cluster sampling method. The prevalence of psoriasis was assessed by questionnaire and clinical examination. The characteristics of psoriasis were observed, and the influencing factors were analyzed. RESULTS 97 of the residents were diagnosed as psoriasis in 17 302 cases, the prevalence rate was 0.56％. There was no statistical significance in different cities, age, sex, marital status, educational level and occupation residents (P>0.05). The family history, smoking history, infection history, mental state, drinking and eating mutton were closely related to the pathogenesis of psoriasis. CONCLUSION The incidence of psoriasis in Hexi Region of Gansu Province was essentially equal to the national average level, the population distribution of the disease was more average, and many factors would promote the occurrence of psoriasis.
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