Nicolai T, von Mutius E, Reitmeir P, Wjst M
Universitätskinderklinik München.
Pneumologie. 1993 Feb;47(2):76-8.
The prevalence of asthma was determined by a parental questionnaire in 9403 schoolchildren aged 9-11 years. A cold air challenge was done in 7248 of these children to test for bronchial hyperresponsiveness. Regarding the doctor diagnoses of asthma as reported by the parental questionnaire the specificity of the cold air challenge was 92.5%, the sensitivity 28.7%, the positive predictive value 9.1% and the negative predictive value 98%.
通过家长问卷确定了9403名9至11岁学童的哮喘患病率。对其中7248名儿童进行了冷空气激发试验以检测支气管高反应性。根据家长问卷报告的医生诊断结果,冷空气激发试验的特异性为92.5%,敏感性为28.7%,阳性预测值为9.1%,阴性预测值为98%。