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目的 探讨与甲状腺容积相关的稳定性因素及其作用强度。方法 用文献 1的 499例成人甲状腺容积的有效数据 ,用分层方法去掉年龄、性别因素的混杂影响观察另 3个因素的作用 ,用聚类分析法观察复合因素的作用。采用 SPSS软件进行分析。结果 性别差异明显 ,男性容积明显大于女性 ,年龄差异明显 ,高年龄段容积明显大于低年龄段 ,慢性病史和城乡住址没有明显作用 ,甲状腺疾病是造成容积增大的决定性因数。结论 影响成人甲状腺容积的稳定性因素是性别、年龄和甲状腺疾病。城乡生活、慢性病史无肯定的意义。甲状腺疾病是甲状腺容积增大的主要原因因素
Objective To investigate the stability factors associated with thyroid volume and their effect intensity. Methods Using the effective data of 499 adult thyroid volumes in literature 1, the effects of the other three factors were observed by the method of stratification to remove the mixed effects of age and gender, and the effects of the combined factors were observed by cluster analysis. Using SPSS software for analysis. Results The gender difference was obvious. The male volume was significantly larger than that of the female. The difference of age was obvious. The volume of high age group was obviously higher than that of lower age group. There was no significant effect of chronic medical history and urban or rural address. Thyroid disease was the decisive factor of volume increase. Conclusion The stability factors affecting adult thyroid volume are gender, age and thyroid disease. Urban and rural life, chronic disease history no definite meaning. Thyroid disease is the main cause of thyroid volume increase