Remission in Adults With Severe Asthma in Thailand
The goal of this observational study is to determine the prevalence of remission among adults with severe asthma, as well as the factors associated with remission in Thailand. The main question the study aims to answer is: What is the prevalence of remission among adults with severe asthma in Thailand? Participants will complete questionnaires on asthma symptoms and undergo pulmonary function testing and a blood test once.
severe asthma [+1]
inability to perform spirometry or fractional exhaled nitric oxide (FeNO) test