asthma, copd exacerbation, or undifferentiated asthma/copd exacerbation
Item
physician-diagnosis of asthma, copd exacerbation, or undifferentiated asthma/copd exacerbation
boolean
C0004096 (UMLS CUI [1])
C0740304 (UMLS CUI [2])
inpatient
Item
admitted to the inpatient medical service at johns hopkins hospital or johns hopkins bayview medical center
boolean
C0021562 (UMLS CUI [1])
fev1/fvc
Item
evidence of airflow obstruction on spirometry (fev1/fvc<70%)
boolean
C0429745 (UMLS CUI [1])
age
Item
age 18 years or older
boolean
C0001779 (UMLS CUI [1])
allergy to macrolides
Item
history of allergy or other contraindication to macrolides (azithromycin, erythromycin, clarithromycin)
boolean
C0020517 (UMLS CUI [1,1])
C0003240 (UMLS CUI [1,2])
macrolide treatment
Item
treatment with any macrolide in the 4 weeks prior to study entry
boolean
C0003240 (UMLS CUI [1,1])
C0040223 (UMLS CUI [1,2])
ast, alt
Item
elevated ast or alt (2 or more times the upper limit of normal) on current admission
boolean
C0201899 (UMLS CUI [1])
C0201836 (UMLS CUI [2])
AP
Item
elevated alkaline phosphatase (>1.25 times the upper limit of normal) on current admission
boolean
C0201850 (UMLS CUI [1])
total serum bilirubin
Item
elevated total serum bilirubin (more than upper limit of normal) on current admission
boolean
C1278039 (UMLS CUI [1])
previous participation in this study
Item
previous participation in this study
boolean
C2348568 (UMLS CUI [1])
digoxin
Item
patients prescribed digoxin (azithromycin may increase digoxin levels)
boolean
C0012265 (UMLS CUI [1])
warfarin
Item
patients prescribed warfarin (azithromycin may increase inr in patients on warfarin)
boolean
C0043031 (UMLS CUI [1])
pimozide
Item
patients prescribed pimozide (azithromycin may increase risk of arrhythmias)
boolean
C0031935 (UMLS CUI [1])
inability to provide consent
Item
patient unable to provide consent (e.g., language difficulty or history of dementia)
boolean
C0021430 (UMLS CUI [1])
discharge
Item
patient to be discharged to a location other than home (e.g., other hospital, long-term care facility)
boolean
C0586514 (UMLS CUI [1])