{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,4]],"date-time":"2026-10-04T01:03:45Z","timestamp":1791075825901,"version":"4.1.0"},"reference-count":41,"publisher":"Cambridge University Press (CUP)","license":[{"start":{"date-parts":[[2020,3,23]],"date-time":"2020-03-23T00:00:00Z","timestamp":1584921600000},"content-version":"unspecified","delay-in-days":1543,"URL":"https:\/\/www.cambridge.org\/core\/terms"},{"start":{"date-parts":[[2016,1,1]],"date-time":"2016-01-01T00:00:00Z","timestamp":1451606400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":["europsy-journal.com","clinicalkey.jp","clinicalkey.com","clinicalkey.es","clinicalkey.com.au","clinicalkey.fr","em-consulte.com","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Eur. psychiatr."],"published-print":{"date-parts":[[2016]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec id=\"S0924933800067821_abs1\" sec-type=\"other\"><jats:title>Objective<\/jats:title><jats:p>To validate the diagnosis of hyperkinetic disorders (HD) in the Danish Psychiatric Central Research Registry (DPCRR) for children and adolescents aged 4 to 15 given in the years 1995 to 2005.<\/jats:p><\/jats:sec><jats:sec id=\"S0924933800067821_abs2\" sec-type=\"methods\"><jats:title>Method<\/jats:title><jats:p>From a total of 4568 participants, a representative random subsample of <jats:italic>n<\/jats:italic> = 387 patients were used to validate the diagnosis. Patient files were systematically scored for the presence of ICD-10 criteria for HD and oppositional defiant disorder\/conduct disorder (ODD\/CD; F91). Further to this, an inter-rater reliability study was also conducted, whereby two experienced child and adolescent psychiatrists who were blind to patients discharge diagnoses, rated a random subsample of <jats:italic>n<\/jats:italic> = 101 participants.<\/jats:p><\/jats:sec><jats:sec id=\"S0924933800067821_abs3\" sec-type=\"results\"><jats:title>Results<\/jats:title><jats:p>Information was available for 372 out of 387 patients. Out of <jats:italic>n<\/jats:italic> = 372 available files, <jats:italic>n<\/jats:italic> = 324 (86.8%) were evaluated to fulfil diagnostic criteria for HD. Due to missing information it was not possible to reach a conclusion for 5.1% of the cases, 3.8% of the diagnoses were registration errors, and in 4.3% of the files the diagnosis had to be rejected. Inter-rater agreement was high (\u03ba = 0.83, <jats:italic>z<\/jats:italic> = 10.9, <jats:italic>P<\/jats:italic> &lt; .001). The validity of hyperkinetic disorders, unspecified (F90.9) was lower and comorbid CD\/ODD were under-diagnosed in the sample. All participants fulfilling HD criteria also fulfilled DSM-5-criteria for ADHD.<\/jats:p><\/jats:sec><jats:sec id=\"S0924933800067821_abs4\" sec-type=\"conclusions\"><jats:title>Conclusion<\/jats:title><jats:p>The risk of misclassification of patients with HD in the DPCRR is relatively low, with the exception of the diagnosis of hyperkinetic disorders, unspecified (F90.9).<\/jats:p><\/jats:sec>","DOI":"10.1016\/j.eurpsy.2016.01.2427","type":"journal-article","created":{"date-parts":[[2016,4,8]],"date-time":"2016-04-08T16:02:05Z","timestamp":1460131325000},"page":"16-24","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":90,"title":["The validity and reliability of the diagnosis of hyperkinetic disorders in the Danish Psychiatric Central Research Registry"],"prefix":"10.1017","volume":"35","author":[{"given":"C.","family":"Mohr-Jensen","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S.","family":"Vinkel Koch","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"Briciet Lauritsen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"H.-C.","family":"Steinhausen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"56","published-online":{"date-parts":[[2020,3,23]]},"reference":[{"key":"S0924933800067821_bib0039","doi-asserted-by":"publisher","DOI":"10.1097\/00004583-199402000-00005"},{"key":"S0924933800067821_bib0010","doi-asserted-by":"publisher","DOI":"10.1001\/jamapediatrics.2013.4914"},{"key":"S0924933800067821_bib0027","doi-asserted-by":"publisher","DOI":"10.1159\/000107084"},{"key":"S0924933800067821_bib0009","doi-asserted-by":"publisher","DOI":"10.1542\/peds.2014-1542"},{"key":"S0924933800067821_bib0011","doi-asserted-by":"publisher","DOI":"10.1289\/ehp.1408412"},{"key":"S0924933800067821_bib0001","volume-title":"The ICD-10 classification of mental and behavioural disorders\u00a0\u2013\u00a0diagnostic criteria for research","year":"1993"},{"key":"S0924933800067821_bib0014","doi-asserted-by":"publisher","DOI":"10.1159\/000365030"},{"key":"S0924933800067821_bib0028","volume-title":"Sample size determination in health studies","author":"Lwanga","year":"1991"},{"key":"S0924933800067821_bib0015","doi-asserted-by":"publisher","DOI":"10.1007\/s00787-014-0553-8"},{"key":"S0924933800067821_bib0038","doi-asserted-by":"publisher","DOI":"10.1097\/chi.0b013e318033ff59"},{"key":"S0924933800067821_bib0037","doi-asserted-by":"publisher","DOI":"10.1001\/archpsyc.1989.01810120015004"},{"key":"S0924933800067821_bib0034","doi-asserted-by":"publisher","DOI":"10.1001\/archpsyc.56.12.1088"},{"key":"S0924933800067821_bib0012","doi-asserted-by":"publisher","DOI":"10.1016\/j.envint.2014.03.002"},{"key":"S0924933800067821_bib0041","doi-asserted-by":"publisher","DOI":"10.1097\/01.NMD.0000066158.18608.C8"},{"key":"S0924933800067821_bib0029","unstructured":"[29] IBM Corp. 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