| ACT | Asthma Control Test |
| CRSwNP | chronic rhinosinusitis with nasal polyps |
| FeNO, | fraction of exhaled nitric oxide |
| FEV1 | forced expiratory volume in 1 s |
| IQR | interquartile range |
| OCS | oral corticosteroid |
| PAO | persistent airflow obstruction |
| SA | severe asthma |
| SD | standard deviation |
| SEA | severe eosinophilic asthma |
| SMK | smoking habit |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.