asthma
Item
asthma (defined by either reversibility to bronchodilator or methacholine testing)
boolean
C0004096 (UMLS CUI [1])
asthma duration
Item
asthma duration of 6 months or greater
boolean
C0004096 (UMLS CUI [1,1])
C0449238 (UMLS CUI [1,2])
stable asthma
Item
stable asthma
boolean
C0004096 (UMLS CUI [1,1])
C0205360 (UMLS CUI [1,2])
age
Item
age 18-60
boolean
C0001779 (UMLS CUI [1])
inhaled corticosteroids
Item
treatment with inhaled corticosteroids
boolean
C2065041 (UMLS CUI [1])
smoking history
Item
smoking history consistent with group
boolean
C1519384 (UMLS CUI [1])
smoking history
Item
smokers with asthma: > or = 5 pack years and currently smoking more than 5 cigarettes per day
boolean
C1519384 (UMLS CUI [1,1])
C1277691 (UMLS CUI [1,2])
ex-smokers
Item
ex-smokers: smoking ceased > or = two years prior to recruitment, minimum 5 pack year history
boolean
C1519384 (UMLS CUI [1,1])
C1277691 (UMLS CUI [1,2])
non-smokers
Item
non-smokers: no smoking history
boolean
C0337672 (UMLS CUI [1])
comorbidity limiting use of inhaled steroids
Item
presence of medical condition likely to be exacerbated by treatment with oral corticosteroids
boolean
C0586793 (UMLS CUI [1,1])
C0439801 (UMLS CUI [1,2])
C0009488 (UMLS CUI [1,3])
beclomethasone
Item
treatment with > 2000 mcg beclomethasone (or equivalent) per day
boolean
C2065042 (UMLS CUI [1,1])
C0332173 (UMLS CUI [1,2])
oral corticosteroids
Item
subject requires oral corticosteroids to maintain asthma control
boolean
C0001617 (UMLS CUI [1])
theophylline
Item
subject requires oral theophylline to maintain asthma control
boolean
C0039771 (UMLS CUI [1])
oral corticosteroids
Item
recent treatment with oral corticosteroids
boolean
C0001617 (UMLS CUI [1])
pregnancy or subject planning to become pregnant
Item
pregnancy or subject planning to become pregnant
boolean
C0032961 (UMLS CUI [1])
C0032961 (UMLS CUI [2,1])
C1283828 (UMLS CUI [2,2])