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为了查明青壮年呼吸道症状与肺功能变化之间的关系,进行了一项为期8年的研究,研究对象共391人,年龄15～40岁.首先测肺活量,然后填写一份美国胸腔协会关于呼吸道健康状况的调查表,8年后复查.呼吸道症状发展与FEV_1变化率(ml/年)之间的关系可以用线性回归模型表示.此模型亦可显示症状与诱发因素间的关系.受儿童期被动吸烟、吸烟、性别、特应性等因素影响的症状可通过潜在变更因子和并发症之间的相互作用来评价.研究对象中有哮鸣、
To identify the relationship between respiratory symptoms and changes in lung function in young adults, an 8-year study was conducted in which 391 subjects, aged 15 to 40. First, measure the vital capacity and then fill in an American Thoracic Society The respiratory health status questionnaire was reviewed after 8 years The relationship between the development of respiratory symptoms and the rate of change in FEV 1 (ml / year) can be shown by a linear regression model that also shows the relationship between symptoms and predisposing factors. Period symptoms of passive smoking, smoking, gender, atopy, and other factors can be assessed by the interaction between potential change factors and complications.Elevant subjects, including wheezing,