Abstract
Synopsis:The 6-minute walk (6-MW) distance is a better predictor of mortality than FEV1 in patients with severe COPD. The decline in 6-MW over time occurs independently of the change in FEV1.
Source:Pinto-Plata VM, Cote C, Cabral H, et al. The 6-min walk distance: change over time and value as a predictor of survival in severe COPD. Eur Respir J. 2004;23:28–33.