{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T10:44:00Z","timestamp":1790419440069,"version":"4.1.0"},"reference-count":16,"publisher":"Wiley","license":[{"start":{"date-parts":[[2017,1,1]],"date-time":"2017-01-01T00:00:00Z","timestamp":1483228800000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Pain Research and Management"],"published-print":{"date-parts":[[2017]]},"abstract":"<jats:p><jats:italic>Background.<\/jats:italic>Elderly female patients complaints of acute low back pain (LBP) may involve vertebral fracture (VF), among which occult VF (OVF: early-stage VF without any morphological change) is often missed to be detected by primary X-ray examination. The current study aimed to investigate the prevalence of VF and OVF and the diagnostic accuracy of the initial X-ray in detecting OVF.<jats:italic>Method.<\/jats:italic>Subjects were elderly women (&gt;70 years old) complaining of acute LBP with an accurate onset date. Subjects underwent lumbar X-ray, magnetic resonance imaging (MRI), and bone mineral density (BMD) measurement at their first visit. The distribution of radiological findings from X-ray and magnetic resonance imaging (MRI) as well as the calculation of the prevalence of VF and OVF are investigated.<jats:italic>Results<\/jats:italic>. The prevalence of VF among elderly women with LBP was 76.5% and L1 was the most commonly injured level. Among VF cases, the prevalence of OVF was 33.3%. Furthermore, osteoporotic patients tend to show increased prevalence of VF (87.5%). The predictive values in detecting VF on the initial plain X-ray were as follows: sensitivity, 51.3%; specificity, 75.0%; and accuracy rate, 56.7%.<jats:italic>Conclusions.<\/jats:italic>Acute LBP patients may suffer vertebral injury with almost no morphologic change in X-ray, which can be detected using MRI.<\/jats:p>","DOI":"10.1155\/2017\/9265259","type":"journal-article","created":{"date-parts":[[2017,5,25]],"date-time":"2017-05-25T17:00:49Z","timestamp":1495731649000},"page":"1-5","source":"Crossref","is-referenced-by-count":14,"title":["A Clinical Prospective Observational Cohort Study on the Prevalence and Primary Diagnostic Accuracy of Occult Vertebral Fractures in Aged Women with Acute Lower Back Pain Using Magnetic Resonance Imaging"],"prefix":"10.1155","volume":"2017","author":[{"given":"Atsushi","family":"Terakado","sequence":"first","affiliation":[{"name":"Kitachiba Spine and Sports Clinic, Chiba, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2676-5469","authenticated-orcid":true,"given":"Sumihisa","family":"Orita","sequence":"additional","affiliation":[{"name":"Kitachiba Spine and Sports Clinic, Chiba, Japan"},{"name":"Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0540-4613","authenticated-orcid":true,"given":"Kazuhide","family":"Inage","sequence":"additional","affiliation":[{"name":"Kitachiba Spine and Sports Clinic, Chiba, Japan"},{"name":"Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Go","family":"Kubota","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, Chiba, 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