The use of a spacer in the delivery of large (Fluticasone Propionate) and small particle (Qvar®) inhaled corticosteroid (ICS) in asthma (FP and Qvar Spacer vs Non-Spacer in Asthma)

ENCePP Code of conduct

No

Data sources

• Data source(s):
  Clinical Practice Research Datalink
• Data source(s), other:
  OPCRD United Kingdom
• Data sources (types):
  Other
• Data sources (types), other:
  This study is a retrospective, effectiveness study consisting of a baseline and outcome period lasting a total of 24 months.This study uses Optimum Patient Care Research Database (OPCRD) which comprises anonymous longitudinal data extracted from approximately 500 UK practices in order to perform reviews of their chronic respiratory services. Data will be supplemented with information from CPRD.

Use of a Common Data Model (CDM)

• CDM mapping:
  No

Data quality specifications

• Check conformance:
  Unknown
• Check completeness:
  Unknown
• Check stability:
  Unknown
• Check logical consistency:
  Unknown

Data characterisation

• Data characterisation conducted:
  No