Effectiveness of voxelotor in individuals with sickle cell disease and a history of red blood cell transfusions: A non-interventional, retrospective cohort study using real-world data in the United States

Data sources

• Data source(s), other:
  Optum Electronic Health Records and Claims Data, Komodo’s Healthcare Map (KHM) database, Claritas prescription data, Quest Diagnostics lab data;

Use of a Common Data Model (CDM)

• CDM mapping:
  No

Data quality specifications

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

Data characterisation

• Data characterisation conducted:
  Yes
• Data characterisation moment:
  after data extraction