asthma and age
Item
male and female patients with a history of asthma between the ages of 18 and 70 years.
boolean
C0004096 (UMLS CUI [1])
C0001779 (UMLS CUI [2])
pc20fev1 methacholine
Item
pc20fev1 methacholine ≤ 8.0 mg/ml.
boolean
C1714620 (UMLS CUI [1])
ID.3
Item
at least one of the following symptoms, beta agonist use, or fev1 criteria:
boolean
asthma symptoms
Item
asthma symptoms on at least two days per week or beta agonist use on at least two days per week or fev1 < 85% predicted
boolean
C0004096 (UMLS CUI [1,1])
C1457887 (UMLS CUI [1,2])
C0001644 (UMLS CUI [2])
C0748133 (UMLS CUI [3])
non-smoker
Item
subjects must be non-smokers (patients who have never smoked or patients who have not smoked for 1 year and have a total pack-year smoking history < 15 packs).
boolean
C0337672 (UMLS CUI [1])
steroid
Item
history of oral or inhaled steroid use in the past 4 weeks.
boolean
C0038317 (UMLS CUI [1,1])
C0040223 (UMLS CUI [1,2])
fev1
Item
fev1 < 60% predicted.
boolean
C0748133 (UMLS CUI [1])
lung disease
Item
lung disease other than asthma.
boolean
C0024115 (UMLS CUI [1])
respiratory tract infection
Item
patients with a history of a respiratory tract infection in the 4 weeks preceding the study.
boolean
C0035243 (UMLS CUI [1,1])
C0040223 (UMLS CUI [1,2])
asthma exacerbation
Item
patients who have experienced a significant exacerbation in their asthma in the 6 weeks prior to the study.
boolean
C0349790 (UMLS CUI [1,1])
C0040223 (UMLS CUI [1,2])
hyposensitization
Item
patients receiving hyposensitization therapy with the exception of those who are on a stable dose for the last three months.
boolean
C0178702 (UMLS CUI [1])
cardiovascular disease, peptic ulcer diseases or diabetes mellitus
Item
patients with cardiovascular disease (active) peptic ulcer disease or diabetes mellitus.
boolean
C0007222 (UMLS CUI [1])
C0030920 (UMLS CUI [2])
C0011849 (UMLS CUI [3])
pregnancy or lactation
Item
females who are lactating or who are pregnant.
boolean
C0032961 (UMLS CUI [1])
C0006147 (UMLS CUI [2])