RESPONDIA. Ibero-American Spondyloarthropaties Registry: Portuguese Group

Socio-demographic variations may influence spondyloarthropaties (SpAs) clinical and laboratorial characteristics and prognosis. In the Portuguese population the information available related with this disease is scarce Objective. To characterize demographic, clinical and laboratory features of SpAs patients in Portugal. Patients and methods. Patients followed at four participating Rheumatology Departments with the diagnosis of SpA were enrolled. Results. 110 patients were included, 58.4% were males, essentially Caucasian with an average age of 46.5 years. The most frequent clinical feature was inflammatory back pain (63.4%) and acute anterior uveitis was the most common extra-articular manifestation. The predominant type of SpAs found was Ankylosing Spondylitis (AS). Conclusions. Patients with AS presented clinical features similar to those observed in other populations, except for tarsitis