{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,22]],"date-time":"2026-10-22T23:22:15Z","timestamp":1792711335317,"version":"4.5.0"},"reference-count":22,"publisher":"BMJ","issue":"12","license":[{"start":{"date-parts":[[2022,12,22]],"date-time":"2022-12-22T00:00:00Z","timestamp":1671667200000},"content-version":"unspecified","delay-in-days":21,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Open"],"accepted":{"date-parts":[[2022,11,28]]},"published-print":{"date-parts":[[2022,12]]},"abstract":"<jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>The French emergency department (ED) surveillance network OSCOUR transmits data on ED visits to Sant\u00e9 publique France (the national public health agency). As these data are collected daily and are almost exhaustive at a national level, it would seem relevant to use them for national epidemiological surveillance of mild traumatic brain injury (mTBI). This article presents the protocol of a planned study to validate algorithms for identifying mTBI in the OSCOUR database. Algorithms to be tested will be based on International Classification of Diseases (ICD)-10 codes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods and analysis<\/jats:title>\n                    <jats:p>We will perform a multicentre validation study of algorithms for identifying mTBI in OSCOUR. Different combinations of ICD-10 codes will be used to identify cases of mTBI in the OSCOUR database. A random sample of mTBI cases and non-cases will be selected from four EDs. Medical charts will serve as the reference standard to validate the algorithms. The sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) of the different algorithms, as well as their 95% CIs, will be calculated and compared.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Ethics and dissemination<\/jats:title>\n                    <jats:p>The ethics committee of the French National Data Protection Authority (CNIL) approved this study (n\u00b0 921152, 1 August 2021). Results will be submitted to national and international peer-reviewed journals and presented at conferences dedicated to trauma and to methodologies for the construction and validation of algorithms.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1136\/bmjopen-2021-059961","type":"journal-article","created":{"date-parts":[[2022,12,22]],"date-time":"2022-12-22T10:05:25Z","timestamp":1671703525000},"page":"e059961","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":5,"title":["Validity of algorithms for identifying mild traumatic brain injury in the French national emergency department database OSCOUR: a retrospective multicentre validation study protocol"],"prefix":"10.1136","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7756-3501","authenticated-orcid":false,"given":"Louis-Marie","family":"Paget","sequence":"first","affiliation":[{"name":"Direction des maladies non transmissibles et traumatismes, Sant\u00e9 publique France, Saint-Maurice, \u00cele-de-France, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C\u00e9cile","family":"Forgeot","sequence":"additional","affiliation":[{"name":"Direction Appui, Traitements et Analyses de donn\u00e9es, Sant\u00e9 publique France, Saint-Maurice, \u00cele-de-France, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fleur","family":"Lorton","sequence":"additional","affiliation":[{"name":"Nantes Universit\u00e9, CHU Nantes, INSERM, CIC 1413, F-44000 Nantes, France"},{"name":"Department of Pediatric Emergency, H\u00f4pital Femme Enfant Adolescent, CHU de Nantes, Nantes, Pays de la Loire, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nozar","family":"Aghakhani","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, H\u00f4pital Bic\u00eatre, Assistance Publique - H\u00f4pitaux de Paris, Le Kremlin-Bic\u00eatre, \u00cele-de-France, France"},{"name":"Center for Evaluation and Multidisciplinary Care of the Mild Traumatic Brain Injury, H\u00f4pital Bic\u00eatre, Assistance Publique - H\u00f4pitaux de Paris, Le Kremlin-Bic\u00eatre, \u00cele-de-France, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maurice","family":"Raphael","sequence":"additional","affiliation":[{"name":"Urgences Hirslanden, Lausanne, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anne","family":"Gallay","sequence":"additional","affiliation":[{"name":"Direction des maladies non transmissibles et traumatismes, Sant\u00e9 publique France, Saint-Maurice, \u00cele-de-France, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nathalie","family":"Beltzer","sequence":"additional","affiliation":[{"name":"Direction des maladies non transmissibles et traumatismes, Sant\u00e9 publique France, Saint-Maurice, \u00cele-de-France, France"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2022,12,22]]},"reference":[{"key":"2025121511174884000_12.12.e059961.1","doi-asserted-by":"publisher","DOI":"10.1016\/S1474-4422(17)30371-X"},{"key":"2025121511174884000_12.12.e059961.2","doi-asserted-by":"publisher","DOI":"10.1016\/S1474-4422(12)70262-4"},{"key":"2025121511174884000_12.12.e059961.3","doi-asserted-by":"crossref","first-page":"113","DOI":"10.1080\/16501960410023877","article-title":"Methodological issues and research recommendations for mild traumatic brain injury: the who collaborating centre Task force on mild traumatic brain injury","author":"Carroll","year":"2004","journal-title":"J Rehabil Med"},{"key":"2025121511174884000_12.12.e059961.4","doi-asserted-by":"crossref","first-page":"872","DOI":"10.1111\/acem.12696","article-title":"Emergency department visits and head computed tomography utilization for concussion patients from 2006 to 2011","volume":"22","author":"Zonfrillo","year":"2015","journal-title":"Acad Emerg Med"},{"key":"2025121511174884000_12.12.e059961.5","doi-asserted-by":"crossref","first-page":"222","DOI":"10.1016\/j.jpeds.2016.10.067","article-title":"Annual and seasonal trends in ambulatory visits for pediatric concussion in Ontario between 2003 and 2013","volume":"181","author":"Zemek","year":"2017","journal-title":"J Pediatr"},{"key":"2025121511174884000_12.12.e059961.6","doi-asserted-by":"crossref","first-page":"E60","DOI":"10.1097\/HTR.0000000000000503","article-title":"Increasing incidence of concussion: true epidemic or better recognition?","volume":"35","author":"Langer","year":"2020","journal-title":"J Head Trauma Rehabil"},{"key":"2025121511174884000_12.12.e059961.7","doi-asserted-by":"publisher","DOI":"10.1097\/HTR.0000000000000260"},{"key":"2025121511174884000_12.12.e059961.8","doi-asserted-by":"crossref","unstructured":"Lefevre-Dognin C , Cogn\u00e9 M , Perdrieau V , et al . 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