{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,24]],"date-time":"2026-01-24T00:47:41Z","timestamp":1769215661725,"version":"3.49.0"},"reference-count":36,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2018,1,22]],"date-time":"2018-01-22T00:00:00Z","timestamp":1516579200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Foundation for Chiropractic Research"},{"name":"Post-Graduate Education, Denmark"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arthritis Care &amp;amp; Research"],"published-print":{"date-parts":[[2018,2]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>To investigate the association between magnetic resonance imaging (<jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content>) findings at the sacroiliac (<jats:styled-content style=\"fixed-case\">SI<\/jats:styled-content>) joints and vertebral endplates and pain characteristics assumed to be indicative of axial inflammation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Patients ages 18\u201340 years with persistent low back pain referred to an outpatient spine clinic participated, including an unknown proportion of axial spondyloarthritis patients. Data included <jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content> of the spine and <jats:styled-content style=\"fixed-case\">SI<\/jats:styled-content> joints and self\u2010reported responses to questions covering the Calin, Berlin, Assessment of Spondyloarthritis International Society, and Bailly inflammatory back pain (<jats:styled-content style=\"fixed-case\">IBP<\/jats:styled-content>) definitions.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In the 1,020 included patients, 53% were women, and the median age was 33 years. Positive associations were found between the <jats:styled-content style=\"fixed-case\">SI<\/jats:styled-content> joint <jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content> findings and pain characteristics, odds ratios ranging from 1.4 to 2.7. <jats:styled-content style=\"fixed-case\">SI<\/jats:styled-content> joint bone marrow edema (<jats:styled-content style=\"fixed-case\">BME<\/jats:styled-content>) was associated with morning stiffness &gt;60 minutes, and <jats:styled-content style=\"fixed-case\">SI<\/jats:styled-content> joint erosions with the Calin, Berlin, and Bailly <jats:styled-content style=\"fixed-case\">IBP<\/jats:styled-content> definitions, alternating buttock pain, and good response to nonsteroidal antiinflammatory drugs. <jats:styled-content style=\"fixed-case\">SI<\/jats:styled-content> joint fatty marrow deposition (<jats:styled-content style=\"fixed-case\">FMD<\/jats:styled-content>) was associated with insidious onset, and <jats:styled-content style=\"fixed-case\">SI<\/jats:styled-content> joint sclerosis with pain at night. In addition, the spinal <jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content> changes were associated with <jats:styled-content style=\"fixed-case\">IBP<\/jats:styled-content>, odds ratios ranging from 1.4 to 2.0; vertebral endplate <jats:styled-content style=\"fixed-case\">BME<\/jats:styled-content> was associated with morning stiffness, and vertebral endplate <jats:styled-content style=\"fixed-case\">FMD<\/jats:styled-content> with the Calin and Bailly <jats:styled-content style=\"fixed-case\">IBP<\/jats:styled-content> definitions, improvement with exercise, morning stiffness &gt;30 minutes, and pain worst in the morning.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The identified associations between inflammatory <jats:styled-content style=\"fixed-case\">MRI<\/jats:styled-content> findings and pain characteristics indicate that axial inflammation to some degree induces a specific pain pattern. Thus, the results add to knowledge of axial inflammatory processes. However, all identified associations were weak, which compromises the use of <jats:styled-content style=\"fixed-case\">IBP<\/jats:styled-content> as a marker of axial inflammation.<\/jats:p><\/jats:sec>","DOI":"10.1002\/acr.23259","type":"journal-article","created":{"date-parts":[[2017,4,20]],"date-time":"2017-04-20T15:50:38Z","timestamp":1492703438000},"page":"244-251","source":"Crossref","is-referenced-by-count":26,"title":["Association Between Inflammatory Back Pain Characteristics and Magnetic Resonance Imaging Findings in the Spine and Sacroiliac Joints"],"prefix":"10.1002","volume":"70","author":[{"given":"Bodil","family":"Arnbak","sequence":"first","affiliation":[{"name":"Spine Centre of Southern Denmark and Hospital Lillebaelt, Middelfart and University of Southern Denmark Odense Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anne G.","family":"Jurik","sequence":"additional","affiliation":[{"name":"Spine Centre of Southern Denmark and Hospital 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