Age
Item
age 17-55 years old;
boolean
C0001779 (UMLS CUI [1])
patients treated and discharged from one of the four study sites with acute asthma during the study period;
Item
patients treated and discharged from one of the four study sites with acute asthma during the study period;
boolean
C0349790 (UMLS CUI [1,1])
C0019993 (UMLS CUI [1,2])
patients must have had a previous physician-diagnosis of asthma and an exacerbation diagnosed by the ed physician
Item
patients must have had a previous physician-diagnosis of asthma and an exacerbation diagnosed by the ed physician (e.g., past asthma history, recorded response to β-agonists in the ed, and increased asthma symptoms). in the event of a new diagnosis, the patient is still eligible for the study if the treating physician feels that the history is compatible with a diagnosis of asthma;
boolean
C0262926 (UMLS CUI [1])
C0004096 (UMLS CUI [2])
C0349790 (UMLS CUI [3])
evidence of airflow obstruction on presentation at the ed
Item
patients must have evidence of airflow obstruction on presentation at the ed, defined as an fev1 or pef <80 percent of predicted;
boolean
C1527303 (UMLS CUI [1])
patients must not have a history of more than 20 pack-years of smoking
Item
patients must not have a history of more than 20 pack-years of smoking;
boolean
C0038586 (UMLS CUI [1])
all patients should have a Primary care physician
Item
all patients should have a pcp with whom to follow-up or attempts will be made to find one for them.
boolean
C0033131 (UMLS CUI [1])
suspected copd patients and patients who require different treatments
Item
these criteria ensure the exclusion of suspected copd patients and patients who require different treatments:
boolean
C0024117 (UMLS CUI [1])
patients with asthma who are primarily cared for by a respirologist/pulmonologist
Item
patients with asthma who are primarily cared for by a respirologist/pulmonologist;
boolean
C0421318 (UMLS CUI [1])
patients not seen by an emergency physician
Item
patients not seen by an emergency physician in the ed
boolean
C2065341 (UMLS CUI [1])
physician diagnosis of acute copd
Item
physician diagnosis of acute copd
boolean
C0340044 (UMLS CUI [1])
radiologically confirmed pneumonia
Item
radiologically confirmed pneumonia during the 10 days preceding trial entry;
boolean
C3843750 (UMLS CUI [1])
active history of bronchiectasis, cystic fibrosis, or lung cancer
Item
patients with an active history of bronchiectasis, cystic fibrosis, or lung cancer;
boolean
C0006267 (UMLS CUI [1])
C0010674 (UMLS CUI [2])
C0242379 (UMLS CUI [3])
congestive heart failure
Item
clinically confirmed congestive heart failure at ed presentation;
boolean
C0018802 (UMLS CUI [1])
patients not able/unwilling to perform spirometry assessment
Item
patients not able/unwilling to perform spirometry assessment
boolean
C1321605 (UMLS CUI [1])
C0037981 (UMLS CUI [2])
inability to provide informed consent or comply with the study protocol due to cognitive impairment, language barrier, or no contact details;
Item
inability to provide informed consent or comply with the study protocol due to cognitive impairment, language barrier, or no contact details;
boolean
C0021430 (UMLS CUI [1])
C0439801 (UMLS CUI [2])
C0009488 (UMLS CUI [3])
patient has previously participated in the study;
Item
patient has previously participated in the study;
boolean
C2348568 (UMLS CUI [1])
patients who in the opinion of the investigator are unsuitable for enrolment.
Item
patients who in the opinion of the investigator are unsuitable for enrolment.
boolean
C1321605 (UMLS CUI [1])