Spondyloarthritis & psoriatic arthritis

The Use of Real-World Data for Studies of Dynamic Disease Processes

J RheumatolPublished Methodological study

Study context

Population
Persons with PsA
Methodological detailsillustrative multistate models, joint models for disease, marker, treatment and observation (visit) processes
  • Illustrative multistate models
  • Joint models for disease, marker, treatment and observation (visit) processes

Main finding

As reported in the abstract

  • Disease-related visits and treatment by indication can bias the impression of the disease process and of treatment effects
  • Joint models of disease, marker, treatment and visit processes fitted to persons with PsA can address common questions about treatment effects

Original publication

The Use of Real-World Data for Studies of Dynamic Disease Processes. J Rheumatol. Published 1 September 2025. doi:10.3899/jrheum.2025-0160

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