{"created":"2023-05-15T16:30:28.427434+00:00","id":1614,"links":{},"metadata":{"_buckets":{"deposit":"16a73b12-9c27-4860-af00-c18730b9591c"},"_deposit":{"created_by":2,"id":"1614","owners":[2],"pid":{"revision_id":0,"type":"depid","value":"1614"},"status":"published"},"_oai":{"id":"oai:nagasaki-u.repo.nii.ac.jp:00001614","sets":["8:9"]},"author_link":["7775","7771","7768","7774","7769","7772","7773","7770"],"item_2_biblio_info_6":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2019-02-01","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"7","bibliographicPageStart":"e14431","bibliographicVolumeNumber":"98","bibliographic_titles":[{"bibliographic_title":"Medicine"}]}]},"item_2_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Spondyloarthritis may be increasingly present in older patients as life expectancy increases. We investigated clinical differences between early-onset and late-onset spondyloarthritis in Japan.\nWe retrospectively reviewed 114 patients consecutively diagnosed with spondyloarthritis. The clinical course of each patient was observed for ?1 year. We defined early-onset and late-onset spondyloarthritis as <57 or ?57 years at a median age of this study group,respectively. \nWe compared clinical characteristics between these 2 groups.Disease duration was significantly shorter before diagnosis in the late-onset group (P?