Association between previous biologic therapy exposure and incidence of life-threatening infections in patients with rheumatoid arthritis and psoriasis. A population-based cohort study.

ENCePP Code of conduct

Yes

Data sources

• Data source(s):
  The Information System for Research in Primary Care (SIDIAP)
• Data source(s), other:
  Data from the Catalan Health Department on hospital discharges (CMBD-HA database) and on medicines dispensed at hospital pharmacies (MHDA database).
• Data sources (types):
  Administrative healthcare records (e.g., claims)

  Drug prescriptions

  Drug registry

  Electronic healthcare records (EHR)

  Population registry

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
• Data characterisation details:
  Data quality processes will be implemented in each phase of the data flow cycle. ; The quality controls will be carried out in the extraction and loading steps. To evaluate the integrity of the data, the elements present will be described by geographical areas, the professional registrar, the time and the function of distribution of the values. ; The correction will be evaluated by checking the validity of atypical values, out of range values, format errors and logical date incompatibilities. ; The integrity and correction measures will be used to inform decisions about the transformations necessary to improve the quality of the data (e.g. harmonisation, standardisation, cleaning) and the aptitude of the data for the purpose of specific research projects.