Exploring the unifying concept of Spondyloarthritis: a latent class analysis of the REGISPONSER registry.
Xabier MichelenaAlexandre SeprianoSizheng Steven ZhaoClementina López MedinaEduardo Collantes-EstevezPilar Font-UgaldeXavier JuanolaHelena Marzo-OrtegaPublished in: Rheumatology (Oxford, England) (2024)
The identification of 5 latent classes in the REGISPONSER registry with significant overlap between axial and peripheral phenotypes is concordant with a unifying concept of SpA. Psoriasis and related features (nail disease and dactylitis) influence the phenotype of both axial and peripheral manifestations.