BACKGROUND
The progression of obstructive airway diseases (OADs) including asthma, chronic obstructive pulmonary disease (COPD) and asthma-COPD overlap syndrome in older adults is not well understood.
OBJECTIVE
To examine the prognosis of OADs and to identify potential determinants for longitudinal changes in clinical outcomes.
METHODS
We consecutively recruited 99 older adults (>55 years) ...