{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,16]],"date-time":"2026-09-16T13:45:08Z","timestamp":1789566308046,"version":"build-2803163510"},"reference-count":25,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2024,5,27]],"date-time":"2024-05-27T00:00:00Z","timestamp":1716768000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100006095","name":"Helse S\u00f8r-\u00d8st RHF","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100006095","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100006095","name":"Helse S\u00f8r-\u00d8st RHF","doi-asserted-by":"publisher","award":["2021009"],"award-info":[{"award-number":["2021009"]}],"id":[{"id":"10.13039\/501100006095","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["BJOG"],"published-print":{"date-parts":[[2024,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>To validate self\u2010reported hysterectomy and bilateral oophorectomy.<\/jats:p><\/jats:sec><jats:sec><jats:title>Design<\/jats:title><jats:p>Validation study.<\/jats:p><\/jats:sec><jats:sec><jats:title>Setting<\/jats:title><jats:p>Large population\u2010based cohort study in Norway: The Tr\u00f8ndelag Health Study (HUNT).<\/jats:p><\/jats:sec><jats:sec><jats:title>Population<\/jats:title><jats:p>The Tr\u00f8ndelag Health Study 2 and 3 (HUNT2 and HUNT3) included questions on gynaecological history. Women who answered questions regarding hysterectomy and\/or oophorectomy were included. In total, 30\u2009263 women were included from HUNT2 (1995\u20131997) and 23\u2009138 from HUNT3 (2006\u20132008), of which 16\u2009261 attended both HUNT2 and HUNT3.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We compared self\u2010reported hysterectomy and bilateral oophorectomy with electronic hospital procedure codes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Main outcome measures<\/jats:title><jats:p>Sensitivity, specificity, positive predictive value and negative predictive value of self\u2010reported hysterectomy and bilateral oophorectomy, by comparing with hospital procedure codes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Self\u2010reported hysterectomy and bilateral oophorectomy in HUNT2 and\/or HUNT3 both had specificity and negative predictive value above 99%. Self\u2010reported hysterectomy had a sensitivity of 95.9%, and for bilateral oophorectomy sensitivity was 91.2%. Positive predictive value of self\u2010reported hysterectomy was 85.8%, but for self\u2010reported bilateral oophorectomy it was 65.4%.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Self\u2010reported hysterectomy corresponded quite well with hospital data and can be used in epidemiological studies. Self\u2010reported bilateral oophorectomy, on the other hand, had low positive predictive value, and results based on such data should be interpreted with caution. Women who report no previous hysterectomy or bilateral oophorectomy can safely be classified as unexposed to these surgeries.<\/jats:p><\/jats:sec>","DOI":"10.1111\/1471-0528.17859","type":"journal-article","created":{"date-parts":[[2024,5,27]],"date-time":"2024-05-27T09:34:28Z","timestamp":1716802468000},"page":"1555-1562","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Validity of self\u2010reported hysterectomy and oophorectomy in a population\u2010based cohort: The <scp>HUNT<\/scp> study"],"prefix":"10.1111","volume":"131","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9718-5635","authenticated-orcid":false,"given":"Tina E.","family":"Rosland","sequence":"first","affiliation":[{"name":"Research Unit\/Department of Obstetrics and Gynaecology S\u00f8rlandet Hospital HF  Kristiansand\/Arendal Norway"},{"name":"Institute of Clinical Medicine, Faculty of Medicine University of Oslo  Oslo Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nora","family":"Johansen","sequence":"additional","affiliation":[{"name":"Research Unit\/Department of Obstetrics and Gynaecology S\u00f8rlandet Hospital HF  Kristiansand\/Arendal Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bj\u00f8rn O.","family":"\u00c5svold","sequence":"additional","affiliation":[{"name":"Department of Public Health and Nursing, HUNT Centre for Molecular and Clinical Epidemiology Norwegian University of Science and Technology  Trondheim Norway"},{"name":"Department of Endocrinology, Clinic of Medicine, St Olav's Hospital Trondheim University Hospital  Trondheim Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Are H.","family":"Pripp","sequence":"additional","affiliation":[{"name":"Oslo Centre of Biostatistics and Epidemiology, Research Support Services Oslo University Hospital  Oslo Norway"},{"name":"Faculty of Health Sciences Oslo Metropolitan University  Oslo Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Astrid H.","family":"Liavaag","sequence":"additional","affiliation":[{"name":"Research Unit\/Department of Obstetrics and Gynaecology S\u00f8rlandet Hospital HF  Kristiansand\/Arendal Norway"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Trond M.","family":"Michelsen","sequence":"additional","affiliation":[{"name":"Research Unit\/Department of Obstetrics and Gynaecology S\u00f8rlandet Hospital HF  Kristiansand\/Arendal Norway"},{"name":"Department of Obstetrics, Division of Obstetrics and Gynaecology Oslo University Hospital  Oslo 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