Large-scale international validation of the ADO index in subjects with COPD: an individual subject data analysis of 10 cohorts - Puhan, Milo A; Hansel, Nadia N; Sobradillo, Patricia; Enright, Paul; Lange, Peter; Hickson, DeMarc; Menezes, Ana M; Riet, Gerben ter; Held, Ulrike; Domingo-Salvany, Antonia; Mosenifar, Zab; Antó, Josep M; et al. (BMJ open, 2012)
Keywords: Age; Asthma; Biomarkers; Body mass index; Calibration; Chronic illnesses; Chronic obstructive pulmonary disease; Clinical medicine; Collaboration; Dyspnea; Epidemiologia; Epidemiology; Heart; Malalties obstructives; Mortality; Patients; Population; Primary care; Pulmons; Quality of life; Spirometry; Statistical analysis; United States--US; Spain