Historical matched-cohort study assessing whether the use of inhaled corticosteroids shortens time to first diagnosis or accelerates the progression of side effects compared to non-ICS therapies in patients with Chronic Obstructive Pulmonary Disease. (ICS use in COPD patients and risk of side effects)

ENCePP Code of conduct

No

Data sources

• Data source(s):
  Clinical Practice Research Datalink

  Healthcare Emergency Information System

  Optimum Patient Care Research Database
• Data sources (types):
  Electronic healthcare records (EHR)

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:
  Unknown