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目的了解北京地区中老年人原发性震颤(essentialtremor,ET)的流行状况及临床特征。方法采用分层、分段、整群、随机、等距的抽样原则,2000年在北京城区、近郊平原、远郊山区调查了2835名55岁以上中老年人,采用筛查和临床诊断两步法确诊患者。结果发现ET患者135例,55岁以上中老年人城市、近郊平原、山区的ET患病率(标化)分别为4·3%、2·9%、2·3%,北京市的患病率为3·3%。男性患病率(6·0%)高于女性(3·6%);随年龄增加,ET的患病率增加;ET与吸烟、饮酒、喝茶、职业均无显著相关性,与居住地、性别、年龄有相关性。结论北京市55岁以上中老年人群ET的患病率为3·3%(标化),ET患病率与年龄、地区及性别有关。
Objective To investigate the prevalence and clinical features of essentialtremor (ET) in middle-aged and elderly people in Beijing. Methods The stratified, segmental, cluster, random and equidistant sampling principles were adopted. In 2000, 2835 middle-aged and elderly people over the age of 55 were surveyed in Beijing urban area, suburban plain and mountainous suburbs. The two-step screening and clinical diagnosis Confirmed patients. The results showed that the prevalence of ET in 135 cases of patients with ET, over 55 years of age in urban and suburban plains, mountainous areas of the prevalence of ET (standardized) were 4.3%, 2.9%, 2.3%, Beijing’s prevalence The rate was 3.3%. The prevalence rate of males was higher than that of females (3.6%). The prevalence of ET increased with age. There was no significant correlation between ET and smoking, alcohol drinking, drinking tea and occupations Sex, age are related. Conclusion The prevalence of ET in middle-aged and elderly people over 55 in Beijing is 3.3% (standardized). The prevalence of ET is related to age, sex and gender.