TABLE 1

Clinical characteristics

Participants48
Mucosal cryobiopsies240
Forceps biopsies288
Age years25 (7)
Female participants24 (50%)
Body mass index kg·m−223.4 (4.7)
ACQ-5 score1.42 (1.33)
FEV1 L3.77 (1.46)
FEV1 % predicted99 (15)
FEV1/FVC0.77 (0.12)
PD15 mannitol mg185 (337)
FENO ppb27.4 (46.7)
Former smoker9 (19%)
Age at asthma onset years12.5 (19)
Atopy28 (58%)

Data are presented as n, n (%) and median (interquartile range). ACQ-5: Asthma Control Questionnaire-5; FEV1: forced expiratory volume in 1 s; FVC: forced vital capacity; FENO: exhaled nitric oxide fraction.