{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,23]],"date-time":"2026-03-23T05:03:57Z","timestamp":1774242237081,"version":"3.50.1"},"reference-count":19,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2026,1,16]],"date-time":"2026-01-16T00:00:00Z","timestamp":1768521600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,1,16]],"date-time":"2026-01-16T00:00:00Z","timestamp":1768521600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["ANZ Journal of Surgery"],"published-print":{"date-parts":[[2026,3]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Aim<\/jats:title>\n                    <jats:p>The primary objective of this study was to determine the prevalence of cervical ossification of the posterior longitudinal ligament (OPLL) among M\u0101ori compared to non\u2010M\u0101ori populations in the Bay of Plenty (BOP) region of New Zealand.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Cervical spine and trauma CT scans performed between 2021 and 2025 were retrospectively reviewed for evidence of cervical OPLL. Patients aged \u2265\u200940\u2009years with available ethnicity data and adequate imaging was included. Cases with a prior diagnosis of OPLL were excluded to reduce selection bias.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      A total of 423 CT scans were from the BOP region, comprising 224 M\u0101ori and 199 non\u2010M\u0101ori patients. Cervical OPLL was identified in 15 M\u0101ori patients, with one case excluded due to prior diagnosis. This yielded a statistically significant OPLL prevalence of 6.4% (14\/223,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.0133) among M\u0101ori in BOP. M\u0101ori in BOP were 6.6 times more likely to have cervical OPLL compared to non\u2010M\u0101ori (OR: 6.60, 95% CI: 1.48\u201329.4). In the non\u2010M\u0101ori BOP cohort, two cases of cervical OPLL were identified, resulting in a prevalence of 1.0% (2\/199).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>This study demonstrates a significantly higher prevalence of cervical OPLL in the M\u0101ori population of the Bay of Plenty compared to non\u2010M\u0101ori.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/ans.70483","type":"journal-article","created":{"date-parts":[[2026,1,16]],"date-time":"2026-01-16T09:26:02Z","timestamp":1768555562000},"page":"481-488","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["The Prevalence of Cervical Ossification of the Posterior Longitudinal Ligament (\n                    <scp>OPLL<\/scp>\n                    ) in the M\u0101ori and Non\u2010M\u0101ori Population in the Bay of Plenty, New Zealand"],"prefix":"10.1111","volume":"96","author":[{"given":"Tiffany","family":"Huang","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery Rotorua Hospital  Rotorua New Zealand"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Martyn","family":"Sims","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery Rotorua Hospital  Rotorua New Zealand"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2026,1,16]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.3171\/spi.2005.3.1.0017"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1097\/BRS.0b013e318241ad33"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00776\u2010014\u20100552\u20100"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.3171\/2010.12.FOCUS10268"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.wneu.2018.06.023"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12891\u2010019\u20102569\u20101"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.wneu.2023.08.064"},{"key":"e_1_2_10_9_1","doi-asserted-by":"publisher","DOI":"10.1111\/1754\u20109485.13728"},{"issue":"3","key":"e_1_2_10_10_1","first-page":"8","article-title":"Cervical Ossification of the Posterior Longitudinal Ligament (OPLL) in Native Hawaiians and\/or Polynesians: A 3\u2010Year Retrospective Demographic and Descriptive Pilot Study","volume":"81","author":"Hasegawa M.","year":"2022","journal-title":"Hawaii Journal of Health & Social Welfare"},{"key":"e_1_2_10_11_1","volume-title":"2023 Census National and Regional Data","author":"Stats NZ","year":"2024"},{"key":"e_1_2_10_12_1","doi-asserted-by":"publisher","DOI":"10.1111\/ans.19186"},{"key":"e_1_2_10_13_1","doi-asserted-by":"publisher","DOI":"10.1302\/0301\u2010620X.88BSUPP_II.0880312a"},{"key":"e_1_2_10_14_1","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-198404000-00010"},{"key":"e_1_2_10_15_1","doi-asserted-by":"publisher","DOI":"10.1177\/2309499020975213"},{"key":"e_1_2_10_16_1","doi-asserted-by":"publisher","DOI":"10.22603\/ssrr.2021\u20100118"},{"key":"e_1_2_10_17_1","first-page":"425","article-title":"The Investigation Committee on OPLL of the Japanese Ministry of Public Health and Welfare. The Ossification of the Posterior Longitudinal Ligament of the Spine (OPLL)","volume":"55","author":"Tsuyama N.","year":"1981","journal-title":"Journal of the Japanese Orthopaedic Association"},{"key":"e_1_2_10_18_1","doi-asserted-by":"publisher","DOI":"10.1097\/00007632\u2010200405010\u201000011"},{"key":"e_1_2_10_19_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12939\u2010023\u201002071\u20106"},{"key":"e_1_2_10_20_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pgph.0001060"}],"container-title":["ANZ Journal of Surgery"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/ans.70483","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/full-xml\/10.1111\/ans.70483","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/ans.70483","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,3,23]],"date-time":"2026-03-23T04:41:06Z","timestamp":1774240866000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/ans.70483"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,1,16]]},"references-count":19,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2026,3]]}},"alternative-id":["10.1111\/ans.70483"],"URL":"https:\/\/doi.org\/10.1111\/ans.70483","archive":["Portico"],"relation":{},"ISSN":["1445-1433","1445-2197"],"issn-type":[{"value":"1445-1433","type":"print"},{"value":"1445-2197","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,1,16]]},"assertion":[{"value":"2025-11-19","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2025-12-17","order":2,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2026-01-16","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}