Table 1 Mean values or frequencies of demographic and clinical characteristics
Variables | Mean values (standard deviation), median values (interquartile range), or frequencies |
|---|---|
Male gender (%) | 81.9 |
Age (years) | 69.8 (9.1) |
Body surface area (m2) | 1.66 (0.19) |
Body mass index (kg/m2) | 22.7 (3.4) |
Smoking history (pack-year) | 39.0 (20.0–50.0) |
Smoking history ≥ 10 pack-years (%) | 92.6 |
Emphysema (%) | 68.1 |
Blood eosinophil levels (%) | 5.2 (2.8–8.9) |
Blood eosinophil counts (/µl) | 351 (150–538) |
Eosinophilic component (%) | 59.6 |
FeNO (ppb) | 31.5 (19.0–59.0) |
High FeNO (%) | 46.8 |
Total IgE levels (IU/ml) | 406 (119–868) |
Positive levels for total IgE and/or IgE specific to perennial inhalant antigens (%) | 79.8 |
Bronchial reversibility (%) | 19.1 |
FEV1 (l) | 1.64 (0.67) |
FEV1 per predicted | |
Disease severity | |
Mild (%) | 28.7 |
Moderate (%) | 42.6 |
Severe/very severe (%) | 28.7 |
≥ 1 exacerbation in the previous year (%) | 42.6 |
Inhaled long-acting bronchodilator use (%) | 72.3 |
Inhaled corticosteroid use (%) | 68.1 |
Systemic corticosteroid use (%) | 8.5 |