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1997年10月5日～11月10日，蚌埠市郊区教委组织医务工作者对郊区4个乡镇24所小学在校学生进行了体检。在体检中发现农村小学男生中患各种泌尿生殖系统疾病的比例很大。现将结果报道如下。1对象与方法蚌埠市郊24所小学15650名学生的体检结果。采用随机抽样的方法，抽取其中3198
From October 5, 1997 to November 10, 1997, Bengbu Suburban District Board of Education organized health workers to conduct physical examination of 24 primary school students in 4 townships and suburbs in the suburbs. Found in the physical examination in rural primary school boys suffering from a variety of genitourinary diseases in a large proportion. The results are reported below. 1 objects and methods Bengbu suburb of 24 primary schools 15,550 students physical examination results. Using a random sampling method, which extracted 3198