age
Item
children 6 to 14 yrs old, step 1 and step 2 gina (global initiative for asthma) guidelines
boolean
C0001779 (UMLS CUI [1])
exhaled nitric oxide
Item
exhaled nitric oxide (no) >20 ppb at visit 2
boolean
C3700245 (UMLS CUI [1])
symptom frequency, fev1, methacholine challenge, exercise
Item
symptoms more often than twice a day, fev1 equal or higher than 80% of predicted value and reversibility equal or higher than 12% to salbutamol, or a positive provocation test with methacholine, or exercise
boolean
C0436350 (UMLS CUI [1,1])
C0004096 (UMLS CUI [1,2])
C0748133 (UMLS CUI [2])
C0748133 (UMLS CUI [3,1])
C0449261 (UMLS CUI [3,2])
C0001927 (UMLS CUI [3,3])
C0430567 (UMLS CUI [4])
C0015259 (UMLS CUI [5])
asthma medication
Item
no regular medication, inhaled short-acting beta-2 agonists for symptom relief
boolean
C0013227 (UMLS CUI [1,1])
C0004096 (UMLS CUI [1,2])
inpatient
Item
patient is hospitalized
boolean
C0021562 (UMLS CUI [1])
fev1
Item
patient has fev1 < 80% predicted on visit 1
boolean
C0748133 (UMLS CUI [1])
asthma nighttime symptoms or pef variability
Item
patient has 2 or more nighttime awakenings for asthma per week or pef variability 30% or more
boolean
C1273489 (UMLS CUI [1,1])
C0860510 (UMLS CUI [1,2])
C0030735 (UMLS CUI [2,1])
C2827666 (UMLS CUI [2,2])
upper respiratory infection
Item
upper respiratory infection in the previous 3 weeks
boolean
C0041912 (UMLS CUI [1,1])
C0040223 (UMLS CUI [1,2])
glucocorticoids or ltras
Item
treatment with glucocorticoids or ltras in the previous 4 weeks
boolean
C0017710 (UMLS CUI [1])
C0595726 (UMLS CUI [2])
inhaled steroids
Item
treatment with inhaled glucocorticoids for more than 4 weeks in the previous year
boolean
C2065041 (UMLS CUI [1,1])
C0040223 (UMLS CUI [1,2])