Should we use gait speed in COPD, FEV1 in frailty and dyspnoea in both?

Bousquet, JDinh-Xuan, ATSimilowski, TMalva, JAnkri, JBarbagallo, MFabbri, LHumbert, MMercier, JRobalo-Cordeiro, CRodriguez-Manas, LVellas, B2016-08-042016-08-042016-08Eur Respir J. 2016 Aug;48(2):315-9.http://hdl.handle.net/10400.4/1953engDoença Pulmonar Obstrutiva CrónicaVolume Expiratório ForçadoDispneiaIdoso FragilizadoShould we use gait speed in COPD, FEV1 in frailty and dyspnoea in both?journal article10.1183/13993003.00633-2016