Fig. 2: Construction of study sample.

Inclusion and exclusion criteria applied to construct the final study sample. ACT asthma control test, COPD chronic obstructive pulmonary disease, GINA Global Initiative for Asthma.
Inclusion and exclusion criteria applied to construct the final study sample. ACT asthma control test, COPD chronic obstructive pulmonary disease, GINA Global Initiative for Asthma.