Usage of Spacers and the Relationship With Symptoms Severity in COPD Elderly Patients

The goal of this observational study is to investigate the usage of spacers and their relationship with symptom severity in chronic obstructive pulmonary disease elderly patients. A convenience sample was used to recruit patients with chronic obstructive pulmonary disease aged 65 years or over at thoracic medicine outpatient clinics from a teaching hospital in Taiwan. Research participants were interviewed using structured questionnaires, including demographic characteristics information, clinical characteristics information, and the chronic obstructive pulmonary disease assessment test.