Predictive accuracy of questionnaires externally validated and measured against post-bronchodilator forced expiratory volume in 1 s/forced vital capacity (FEV1/FVC) <0.70

QuestionnaireScoreSensitivity %SpecificityROC AUC
COPD Diagnostic Questionnaire (CDQ) [35]>16.580–9124–490.65–0.73
Lung Function Questionnaire (LFQ) [36]≤1888250.65
COPD Population Screener (COPD-PS) [37]≥579350.57–0.70
PUMA Score (Primary Care/PLATINO) [38]≥581.8–88.6/46.7–56.233.5–41.8/79.8–83.30.70–0.73/0.67–0.70
CAPTURE+PEF [39]>275.593.10.93
 PEF L·min−1

ROC AUC: receiver operating characteristic area under the curve; PUMA: Prevalence Study and Regular Practice, Diagnosis and Treatment, Among General Practitioners in Populations at Risk of COPD in Latin America; PLATINO: Proyecto LatinoAmericano de Investigación en Obstrucción Pulmonar (COPD research project in Latin America); CAPTURE: COPD Assessment in Primary Care To Identify Undiagnosed Respiratory Disease and Exacerbation Risk; PEF: peak expiratory flow.