Epidemiological diagnosis of asthma: Methodological considerations of prevalence evaluation


Within an epidemiological survey on Chronic Obstructive Pulmonary Disease, before reporting data on the prevalence of bronchial asthma we checked the group of subjects defined as ≪ pathological ≫ by means of a suitable questionnaire and a group of ≪ normals ≫ as a control. We evaluated the sensitivity and specificity of the questionnaire, in comparison with… (More)
DOI: 10.1007/BF00239760