乌鲁木齐市不同民族老年ISH患病率及危险因素分析

目的：了解新疆乌鲁木齐市不同民族60岁以上老年人群单纯收缩期高血压（ISH）的患病率，观察ISH患病率与民族、性别、年龄的关系。方法2010年1月~2012年12月采用整群随机抽样方法纳入乌鲁木齐市汉族、维吾尔族和哈萨克族60岁以上老年人3416例，进行心血管疾病患病率横断面调查，统计不同民族、不同性别以及不同年龄人群ISH的患病率。结果共有2957例完成调查，应答率为86.56%（2957/3416）；人群整体ISH患病率为25.50%（754/2957）。按民族比较，汉族、维吾尔族、哈萨克族ISH患病率分别为27.67%（397/1453）、25.00%（260/1040）、20.12%（97/482），3个民族间存在统计差异（χ2=11.01，P＜0.01）；按性别比较，男性患病率为22.89%（356/1555），女性为28.39%（398/1402），女性患病率显著高于男性（χ2=11.72，P＜0.01）；按年龄比较，（61～70）岁、（71～80）岁，80岁以上ISH患病率分别为21.38%（347/1643）、29.56%（295/998）和33.33%（112/336），3个年龄段之间存在统计学差异（χ2=34.01，P＜0.01）。结论新疆乌鲁木齐ISH患病率存在民族、性别差异，且随年龄增加呈增高趋势。

Prevalence and risk factors of isolated systolic hypertension in elderly people of different nationalities in Urumchi of Xinjiang

Objective To investigate the prevalence of isolated systolic hypertension （ISH） in elderly people （aged over 60） of different nationalities in Urumchi of Xinjiang, and observe the relationship among ISH prevalence, nationality, sex and age. Methods The elderly cases （n=3416） of Han nationality, Uygur nationality and Hazakh nationality were chosen by applying cluster random sampling methods from Jan. 2010 to Dec. 2012. A cross-section survey on cardiovascular diseases was conducted and ISH prevalence was calculated in groups of different nationalities, sexes and ages. Results There were totally 2957 cases completed the survey, the response rate was 86.56%（2957/3416） and the whole ISH prevalence was 25.50%（754/2957）. ISH prevalence was, respectively, 27.67%（397/1453）, 25.00%（260/1040） and 20.12%（97/482） in Han group, Uygur group and Hazakh group （χ2=11.01, P〈0.01）. ISH prevalence was 22.89%（356/1555） in male cases and 28.39%（398/1402） in female ones （χ2=11.72, P〈0.01）, and it was, respectively, 21.38%（347/1643）, 29.56%（295/998） and 33.33%（112/336） in cases aged from 61 to 70, cases aged from 71 to 80 and cases aged over 80 （χ2=34.01, P〈0.01）. Conclusion ISH prevalence has difference in nationality and sex, and will increase with ageing in Urumchi of Xinjiang.