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氟中毒是累及中枢神经、心血管、内分泌、消化系统、视觉系统等多个脏器的全身性疾病,由于肾脏是人体主要的排泄器官,必会受到不同程度的损害。本文就南阳地区氟中毒对肾脏损害的流行病学调查如下。1材料与方法1.1调查范围选择南阳地区7个县,分别编号1~7。1.2抽样方法各县将所有病区村根据病情的严重程度分为轻、中、重度,在每一级别中根据单纯抽样的原则各选择1个病区村进行流行病学调查。
Fluorosis is a systemic disease involving many organs such as the central nervous system, cardiovascular system, endocrine system, digestive system and visual system. Since the kidneys are the main organ of excretion in the human body, they are bound to suffer different degrees of damage. In this paper, fluorosis in Nanyang on the kidney damage epidemiological investigation is as follows. MATERIALS AND METHODS A. Survey Scope Seven counties in Nanyang District were selected and numbered 1 through 7.1.2. Sampling Methods All the wards were divided into mild, moderate and severe according to the severity of the disease in each county, The principles of sampling each choose a ward village epidemiological survey.