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本文报告了1997~1999年内蒙古呼伦贝尔盟4旗(市)克山病分层抽样调查结果。通过样本检出率推算总体检出率95%可信区间,进而推算出全盟潜慢型克山病现患人数的95%可信范围及平均患病人数,历时3年时间全盟4个旗(市)共推算出克山病现患15644人,患病率为4.58%,其中潜克现患为11371人,患病率1.15%,慢克现患为4273人,患病率为0.43%。经显著性检验,全盟克山病病情与1988年比较呈明显减轻(P<0.05),尤以潜克减轻的更为显著,而慢克病情和1988年相比无明显差别,10年间病区内外环境发生了显著的改变,说明致病因子在某些地区,一定时间内还是很活跃的。但现在克山病发病主要是以逐渐积累、渐进的形式发病,所以,表现在临床上就是新发潜克和新发慢克,而且,患病年龄推后,克山病的这些新的流行特点,提示我们今后加强对新发潜克和慢克流行病学、临床诊断、治疗的研究。
This paper reports the results of the stratified sampling survey of Keshan disease in 4 banners (cities) of Hulun Buir League in Inner Mongolia from 1997 to 1999. The 95% confidence interval of the overall detection rate was estimated based on the detection rate of the samples, and then 95% confidence level and average number of cases of the prevalence of sub-chronic Keshan disease in the AU were estimated, which lasted for 3 years. Flag (city) estimated a total of 15,644 Keshan disease present prevalence rate of 4.58%, of which 11371 were found in the underlying disease, the prevalence was 1.15%, 4273 were present in the chronic disease, the prevalence was 0.43 %. The significance test showed that the severity of all Keshan disease was significantly reduced compared with that in 1988 (P <0.05), especially in the case of sub-gram reduction, while that in chronic disease was not significantly different from that in 1988, with 10-year disease Significant changes have taken place inside and outside the area, indicating that the pathogenic factors in some areas, within a certain period of time is still very active. However, Keshan disease is now mainly in the form of a gradual accumulation of gradual, so the performance is clinically new and increased hair loss grams of new grams, and, after the age of sickness, Keshan disease these new epidemic Characteristics, suggesting that we in the future to strengthen the epidemic of new onset and gram grams of epidemiology, clinical diagnosis and treatment.