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我厂1983年普查集体幼儿营养性缺铁性贫血患病率高达97.8%。嗣后我们采取膳食管理、投药防治等综合性措施。1986年普查集体幼儿,营养性缺铁性贫血患病率下降28%,但其中相当部分病例服药时血色素提高到正常水平,停药一段时间后又下降到正常标准以下。为了摸索用药规律,我们按照完全随机抽样分组的方法,进行分组治疗,动态观察。现报告如下:
The prevalence of nutritional iron deficiency anemia among children in the 1983 Census of our factory was as high as 97.8%. Then we take the dietary management, administration and other comprehensive measures. In the 1986 census, the prevalence of nutritional iron deficiency anemia decreased by 28%. However, most of the cases had hemoglobin raised to normal levels after taking medicine for a period of time and then dropped below the normal level. In order to explore the law of medication, we grouped in accordance with a completely random sampling method for group treatment, dynamic observation. The report is as follows: