Clinical and genetic characteristics of ankylosing spondylitis patients with peripheral arthritis at disease onset

The aim of this study was to assess the clinical and genetic characteristics associated with the presence of peripheral arthritis (PA) at disease onset in patients with ankylosing spondylitis (AS). 456 Spanish AS patients, diagnosed according to the modified New York Criteria, who had at least ten y...

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Bibliographic Details
Published in:Clinical and experimental rheumatology 2019-03, Vol.37 (2), p.215-221
Main Authors: Polo Y La Borda, Jessica, Szczypiorska, Magdalena, Bartolomé, Nerea, Campos, José, Flores-Robles, Brian J, Sanz, Jesús, Fernández-Espartero, Cruz, Clavaguera, Teresa, Andrus, Robert F, Artieda, Marta, Tejedor, Diego, Martínez, Antonio, Mulero, Juan, Isasi, Carlos M, Andréu, José Luis, Sánchez, Alejandra
Format: Article
Language:English
Subjects:
Gene Frequency
Genetic Predisposition to Disease
HLA-B27 Antigen
Humans
Polymorphism, Single Nucleotide
Pyrin
Registries
Spondylitis, Ankylosing - genetics
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Summary:The aim of this study was to assess the clinical and genetic characteristics associated with the presence of peripheral arthritis (PA) at disease onset in patients with ankylosing spondylitis (AS). 456 Spanish AS patients, diagnosed according to the modified New York Criteria, who had at least ten years of follow-up since initial disease onset were selected from the National Spondyloarthropathies Registry (REGISPONSER). 18.9% of AS patients initially presented PA. Clinical variables and 384 single nucleotide polymorphisms (SNPs) distributed in 190 genes were analysed. SNP genotyping was performed using the Illumina GoldenGate genotyping platform. Association tests for allele frequencies and for categorical clinical variables were performed by the χ2 test and with the unpaired t-test for continuous variables. p-values of
ISSN:0392-856X