Age
Item
Must be 18 years and older
boolean
C0001779 (UMLS CUI [1])
asthmatic patients visiting ed with acute exacerbation
Item
known asthmatic patients visiting ed with acute exacerbation
boolean
C0349790 (UMLS CUI [1])
C0583237 (UMLS CUI [2])
informed consent
Item
had given their written informed consent.
boolean
C0021430 (UMLS CUI [1])
smoking history
Item
smoking history
boolean
C0038586 (UMLS CUI [1])
COPD
Item
chronic obstructive pulmonary disease
boolean
C0024117 (UMLS CUI [1])
required intubation
Item
required intubation
boolean
C0189377 (UMLS CUI [1])
instability of hemodynamic or arrhythmia
Item
instability of hemodynamic or arrhythmia
boolean
C0948268 (UMLS CUI [1])
C0003811 (UMLS CUI [2])
unable to perform pefr
Item
unable to perform pefr
boolean
C0030735 (UMLS CUI [1])
facial abnormality
Item
facial abnormality
boolean
C0376634 (UMLS CUI [1])
pulmonary infiltration
Item
pulmonary infiltration
boolean
C0235896 (UMLS CUI [1])
pregnancy
Item
pregnancy.
boolean
C0549206 (UMLS CUI [1])