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1988年5月在吉林市地甲肿流行区进行了儿童精神发育迟滞的流行病学调查,发现其患病率为8.1%;男女患病率无显著性差别;小年龄组患病率明显低于学龄组。本研究表明该地防治地甲肿地克病虽然取得显著效果。但值得重视的是儿童精神发育迟滞患病水平仍高于非流行地区。尤其是轻度精神发育迟滞者集中在学龄儿童组,应引起重视。
An epidemiological investigation of mental retardation in children was conducted in May 1988 in a endemic area of Jilin Province and the prevalence rate was 8.1%. There was no significant difference between male and female prevalence rates. The prevalence rate in the younger age group was significantly lower In the school-age group. This study shows that the prevention and treatment of the disease to have a significant effect. However, it is worth noting that the prevalence of mental retardation in children is still higher than that in non-endemic areas. In particular, mild mental retardation concentrated in school-age children, should pay attention.