{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,9,11]],"date-time":"2024-09-11T14:18:48Z","timestamp":1726064328531},"reference-count":21,"publisher":"The Journal of Rheumatology","issue":"12","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Rheumatol"],"published-print":{"date-parts":[[2014,12]]},"abstract":"<jats:sec><jats:title>Objective.<\/jats:title><jats:p>To evaluate clinical factors associated with the absence of radiographic progression in patients with spondylitis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods.<\/jats:title><jats:p>The cross-sectional study included 672 patients. All patients presented a disease evolution of more than 15 years. Patients were classified as with radiographic spinal involvement versus without radiographic spinal involvement. We included clinical variables potentially related to null radiological progression.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results.<\/jats:title><jats:p>Seventy-five patients had no radiographic involvement. These patients were predominantly female, had a lower erythrocyte sedimentation rate (ESR), and a lower C-reactive protein level. Multivariate analysis showed an association with the female sex and low ESR.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion.<\/jats:title><jats:p>Clinical factors associated with this lack of progression were female sex and low ESR.<\/jats:p><\/jats:sec>","DOI":"10.3899\/jrheum.140018","type":"journal-article","created":{"date-parts":[[2014,11,2]],"date-time":"2014-11-02T00:36:40Z","timestamp":1414888600000},"page":"2409-2412","source":"Crossref","is-referenced-by-count":6,"title":["Ankylosing Spondylitis without Axial Progression: Analysis of Associated 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