单纯性肥胖症目前是一种常见病,其发病因素是多方面的。但从遗传学方面进行深入研究报道较少。我们对本地区中小学生中发生的单纯性肥胖症患者进行了家系调查,并作了遗传度的研究,现报告如下。 1 对象和方法 1.1 对象 为济南地区8所中小学校7～15岁的学生6256名,其中男3326名,女2930名,男女之比为1.14:1。 Simple obesity is currently a common disease, its incidence is multifaceted. However, there are few reports from genetics. We conducted a pedigree survey of simple obesity patients in primary and secondary schools in our region and made a genetic study, which is reported as follows. 1 Subjects and methods 1.1 The target is 6256 students of 7-15 years old in primary and secondary schools in Jinan, of which 3326 are male and 2930 are female, the ratio of male to female is 1.14: 1.