Organisation | Year/Ref | Criterion |
ECCS | 19833 | FEV1/VC or FEV1/FVC <LLN |
ATS | 19878 | FEV1/FVC <0.75 |
ATS | 19914 | FEV1/FVC <LLN |
ECCS/ERS | 19935 | FEV1/VC or FEV1/FVC <LLN |
ERS | 19957 | FEV1/VC <88% predicted (males) or 89% (females) |
BTS | 19979 | FEV1/FVC <0.70 and FEV1<80% predicted |
NLHEP | 200012 | FEV1/FVC or FEV1/FEV6 <LLN and FEV1 <LLN |
GOLD | 20071 | FEV1/FVC <0.70 post-bronchodilator |
NICE | 200410 | FEV1/FVC <0.70 and FEV1<80% predicted |
ATS/ERS | 200411 | FEV1/FVC <0.70 post-bronchodilator |
ATS/ERS | 200513 | FEV1/VC <LLN |
ATS, American Thoracic Society; BTS, British Thoracic Society; ECCS, European Community for Coal and Steel; ERS, European Respiratory Society; FEV1/FVC, forced expiratory volume in 1 s/forced vital capacity; GOLD, Global Initiative for Chronic Obstructive Lung Disease; LLN, lower limit of normal; NICE, National Institute for Health and Clinical Excellence; NLHEP, National Lung Health Education Program; VC, vital capacity.