Table 1.

Baseline characteristics

Subjects, n	15
Age, years	38.1±13.6
Male/female gender	1/14
FEV1 before BD, %	91.3±23.0
FEV1 after BD, %	103.9±19
LABA dose, µg/day salmeterol equivalents	153±90.5
ICS dose, µg/day fluticasone equivalents	1,167±497
Patients on maintenance use of OCS, n	6
Oral prednisone dose, mg/day	12.5±6.1
Added bronchoscopy time for OCT imaging, min Airways imaged, n	9.51±1.17
Left upper lobe or right upper lobe	14
Right lower lobe	29
Middle lobe	14

Presented data are shown as n or mean ± SD. FEV1, forced expiratory volume in 1 second before and after bronchodilation (BD) expressed in % of predicted; LABA, long-acting beta-2-agonist; ICS, inhaled corticosteroids; OCS, oral corticosteroids; OCT, optical coherence tomography.