Investigating biases in observational studies of inhaled corticosteroids and the risk of COVID-19-related outcomes

ENCePP Code of conduct

No

Data sources

• Data source(s):
  Clinical Practice Research Datalink

  Hospital Episode Statistics
• Data source(s), other:
  ONS death registry United Kingdom, Index of multiple deprivation United Kingdom
• Data sources (types):
  Electronic healthcare records (EHR)

  Other
• Data sources (types), other:
  ONS: Population registry IMD: official measure of relative deprivation for small areas in England

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