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creening tool for physical frailty in this population. Physical frailty affects a large proportion of COPD patients with chronic respiratory failure starting a home-based intervention and was associated with worse clinical status. Although the present results need to be confirmed by adequately powered studies, gait speed seems to have the potential to become a simple screening tool for physical frailty in this population. This study focusses on identifying values and preferences of patients, caregivers and healthcare professionals who have dealt with lower