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通过 1 995～ 1 996年 3次肺功能测量和家庭健康问卷调查发现 ,患过感冒咳嗽、咳痰、气喘、哮喘和支气管炎的儿童中 FEV1 / FVC、FEV1 /预测值以及 FVC/预测值的异常率比未患过这 5种疾病的儿童都高 ,且前者达到显著性水平。FVC/预测值、FEV1 /预测值有部分疾病异常率达到显著水平。患过呼吸系统疾病 ,且肺功能测量异常的儿童比未患过呼吸系统疾病 ,且肺功能测量正常儿童的 FVC调整预测值下降 3 4 5～ 4 1 8ml,FEV1 调整预测值下降 3 56～ 4 75ml,FEV1 /FVC平均下降 1 4 .2 %～ 1 9.4 %。说明曾患过呼吸系统疾病儿童的肺功能已受到了一定程度的影响
The FEV1 / FVC, FEV1 / Predictive and FVC / Predictive values in children with cough, phlegm, asthma, asthma and bronchitis have been found to have been assessed by three spirometry and family health questionnaires from 1995 to 1996 Abnormal rates were higher than children who did not have these five diseases, and the former reached a significant level. FVC / predictive value, FEV1 / predictive value of some disease abnormalities reached a significant level. Children with respiratory diseases and abnormal pulmonary function tests had a lower FVC adjusted predictive value of 34 54 to 41 8 ml and a lower FEV 1 adjusted predictive value of 3 56 to 4 than those who did not have any respiratory diseases and had normal lung function tests 75ml, FEV1 / FVC decreased by an average of 14.2% ~ 1 9.4%. This shows that the lung function of children who have had respiratory diseases has been affected to a certain extent