Demographic, functional and inflammatory characteristics of study patients (n=295)
| Characteristics | |
| Sex (M/F) | 131/164 |
| Age, years | 47.3 (14–83) |
| Height, cm | 168.6±9.5 |
| Weight, kg | 73.16±15.9 |
| Atopy (Y/N) | 208/87 |
| Smoking (Y/N) | 58/237 |
| IgE, kU/l | 169 (53–472) |
| Blood eosinophils, % | 3.80±3.4 |
| FEV1, % predicted | 86±19 |
| FEV1/VC, % | 75±11 |
| PC20, mg/ml | 3.32 (0.025–16) |
| Reversibility, % | 13.1±12.5 |
| Sputum eosinophils, % | 1.8 (0.2–9.4) |
| Sputum neutrophils, % | 43.6 (17.8–68.8) |
| FeNO, ppb | 31 (15–62) |
| ACQ | 1.84±1.2 |
| AQLQ | 4.77±1.3 |
Data are presented as mean±SD or median (IQR); PC20 is expressed as geometric mean (range).
ACQ, Asthma Control Questionnaire; AQLQ, Asthma Quality of Life Questionnaire; FeNO, exhaled nitric oxide; FEV1, forced expiratory volume in 1 s; PC20, concentration required to provoke a fall in FEV1 of 20% or more; VC, vital capacity.