Distance and oxygen desaturation during the 6-min walk test as predictors of long-term mortality in patients with COPD
C Casanova, C Cote, JM Marin, V Pinto-Plata… - Chest, 2008 - Elsevier
Rationale The distance walked in the 6-min walk test (6MWT) predicts mortality in patients
with severe COPD. Little is known about its prognostic value in patients with a wider range of
COPD severity, living in different countries, and the potential additional impact of oxygen
desaturation measured during the test. Methods We enrolled 576 stable COPD outpatients
in Spain and the United States and observed them for at least 3 years (median, 60 months).
We measured FEV 1, body mass index, Pa o 2, Charlson comorbidity score, 6-min walk …
with severe COPD. Little is known about its prognostic value in patients with a wider range of
COPD severity, living in different countries, and the potential additional impact of oxygen
desaturation measured during the test. Methods We enrolled 576 stable COPD outpatients
in Spain and the United States and observed them for at least 3 years (median, 60 months).
We measured FEV 1, body mass index, Pa o 2, Charlson comorbidity score, 6-min walk …