Validity and responsiveness of the Daily- and Clinical visit-PROactive Physical Activity in COPD (D-PPAC and C-PPAC) instruments.
Judith M Garcia-AymerichMilo A PuhanSolange Corriol-RohouCorina de JongHeleen DemeyerFabienne DobbelsDamijan ErzenAnja FreiElena Gimeno-SantosNicholas S HopkinsonNathalie IvanoffNiklas KarlssonZafeiris LouvarisMichael I PolkeyRoberto A RabinovichMario ScuriMaggie TabbererIoannis VogiatzisThierry Troostersnull nullPublished in: Thorax (2021)
The D-PPAC and C-PPAC instruments are reliable and valid across diverse COPD populations and responsive to pharmacological and non-pharmacological interventions and changes in clinically relevant variables.