Participant characteristics

Subjects n14
Age years69 (62–81)
Years since COPD diagnosis9.1 (1–17)
Total number of previous COPD exacerbations5.6 (0–32)
Number of previous ED visits for COPD1.1 (0–3)
Number of previous hospitalisations for COPD0.93 (0–3)
Long-term oxygen therapy5 (36)
Household income based on postal code CAD33 400±15 800

Data are presented as %, mean (range), n (%) or median±sd, unless otherwise stated. COPD: chronic obstructive pulmonary disease; ED: emergency department; CAD: Canadian dollar.