age
Item
aged: 4-80 years:
boolean
C0001779 (UMLS CUI [1])
asthma
Item
evidence of asthma a diagnostic code for asthma
boolean
C0004096 (UMLS CUI [1])
asthma therapy
Item
2 prescriptions for asthma at different points in time during the prior year and/ or 2 prescriptions for asthma therapies during the outcome year, including 1 ics prescription (in addition to that received at ipd) - ipdi cohort only; be on current asthma therapy (for the ipda cohort only): 1 ics prescription in the prior year, and 1 other asthma prescription during the baseline year. have at least one year of up-to-standard (uts) baseline data (prior to the ipd) and at least one year of uts outcome data (following the ipd).
boolean
C0087111 (UMLS CUI [1,1])
C0004096 (UMLS CUI [1,2])
COPD diagnosis
Item
had a COPD read code at any time
boolean
C0024117 (UMLS CUI [1])
combination inhaler
Item
received a combination inhaler in addition to a separate ics inhaler in the baseline year
boolean
C0021461 (UMLS CUI [1,1])
C1516710 (UMLS CUI [1,2])
long-acting bronchodilator
Item
received a long-acting beta2-agonsist (laba) in addition to a separate ics inhaler in the baseline year
boolean
C2936789 (UMLS CUI [1])
ICS via DPI
Item
received ics therapy during baseline year via dpi (in ipda cohort only).
boolean
C3248292 (UMLS CUI [1,1])
C1967611 (UMLS CUI [1,2])