Prevalence of true-positive, false-negative and false-positive cases of chronic obstructive pulmonary disease identified with the fixed-limit Global Initiative for Chronic Obstructive Lung Disease criterion [34] using the Global Lung Function Initiative ref... Prevalence of true-positive, false-negative and false-positive cases of chronic obstructive pulmonary disease identified with the fixed-limit Global Initiative for Chronic Obstructive Lung Disease criterion [34] using the Global Lung Function Initiative reference values (GLI2012) [10] as gold standard. Annette Kainu et al. ERJ Open Res 2016;2:00084-2015 ©2016 by European Respiratory Society