Changes in Physical Activity and Psychological Status in Patients with COPD Between Pre- and Post-COVID-19 Assessments: A Pilot Observational Longitudinal Cohort Study
Background/Objectives: Physical activity is a key prognostic factor in chronic obstructive pulmonary disease (COPD), but changes in physical activity patterns during the COVID-19 pandemic remain insufficiently characterized. Methods: We conducted an observational longitudinal cohort study in patients with COPD managed...