asthma
Item
physician diagnosis of asthma.
boolean
C0004096 (UMLS CUI [1])
age
Item
age ≥18 years and ≤50 years
boolean
C0001779 (UMLS CUI [1])
airflow obstruction
Item
evidence of airflow obstruction as measured by spirometry and flow-volume loop per american thoracic society guidelines.
boolean
C1527303 (UMLS CUI [1])
C0037981 (UMLS CUI [2])
asthma therapy
Item
treatment for asthma with:
boolean
C0087111 (UMLS CUI [1,1])
C0004096 (UMLS CUI [1,2])
inhaled corticosteroids and long-acting beta2-agonists
Item
daily inhaled corticosteroids and long-acting beta2-agonists, and
boolean
C2065041 (UMLS CUI [1])
C1373132 (UMLS CUI [2])
short-acting beta2-agonist
Item
as-needed use of a short-acting beta2-agonist
boolean
C1373132 (UMLS CUI [1])
smoking history
Item
history of >10 pack-year tobacco use
boolean
C1519384 (UMLS CUI [1])
C1277691 (UMLS CUI [2])
comorbidity
Item
other pulmonary or cardiac diagnosis that is actively being treated
boolean
C0009488 (UMLS CUI [1])
adverse events or allergy to fluticasone
Item
history of adverse events or allergy to fluticasone
boolean
C0020517 (UMLS CUI [1,1])
C0082607 (UMLS CUI [1,2])
systemic steroid therapy
Item
systemic corticosteroid therapy within 7 days of study visit
boolean
C4039704 (UMLS CUI [1,1])
C0040223 (UMLS CUI [1,2])
inability to obtain written informed consent
Item
inability to obtain written informed consent
boolean
C0021430 (UMLS CUI [1])