Patient characteristics | |
Age years | <55 |
| ≥55 |
Age of onset years | <38 |
| ≥38 |
BMI kg·m−2 | <22 |
| ≥22 and <36 |
| ≥36 |
Allergy total | No allergy |
| ≥1 allergy |
Hyperreactivity | No hyperreactivity |
| ≥1 hyperreactivity |
ACQ and CCQ | |
ACQ1 | 0 or 1 |
| ≥2 |
ACQ total, ACQ2, ACQ4, ACQ5, ACQ6 | 0 |
| ≥1 |
CCQ subscale mental, CCQ1, CCQ2, CCQ4 | 0 |
| ≥1 |
CCQ subscale symptoms, CCQ6 | 0 or 1 |
| ≥2 |
CCQ7 | <6 |
| ≥6 |
Spirometry results | |
FEV1 % predicted | <78 |
| ≥78 and <92 |
| ≥92 and <102 |
| ≥102 |
FVC % predicted | <81 |
| ≥81 |
Reversibility % | <7 |
| ≥7 |