{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T12:14:03Z","timestamp":1773058443622,"version":"3.50.1"},"reference-count":21,"publisher":"SAGE Publications","issue":"1","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":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of Otolaryngology - Head &amp; Neck Surgery"],"published-print":{"date-parts":[[2017,1]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p> This was a diagnostic accuracy study to develop an algorithm based on administrative database codes that identifies patients with Chronic Rhinosinusitis (CRS) who have endoscopic sinus surgery (ESS). <\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p> From January 1<jats:sup>st<\/jats:sup>, 2011 to December 31<jats:sup>st<\/jats:sup>, 2012, a chart review was performed for all hospital-identified ESS surgical encounters. The reference standard was developed as follows: cases were assigned to encounters in which ESS was performed for Otolaryngologist-diagnosed CRS; all other chart review encounters, and all other hospital surgical encounters during the timeframe were controls. Algorithm development was based on International Classification of Diseases, version 10 (ICD-10) diagnostic codes and Canadian Classification of Health Interventions (CCI) procedural codes. Internal model validation was performed with a similar chart review for all model-identified cases and 200 randomly selected controls during the following year. <\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p> During the study period, 347 cases and 185,007 controls were identified. The predictive model assigned cases to all encounters that contained at least one CRS ICD-10 diagnostic code and at least one ESS CCI procedural code. Compared to the reference standard, the algorithm was very accurate: sensitivity 96.0% (95%CI 93.2\u201397.7), specificity 100% (95% CI 99.9\u2013100), and positive predictive value 95.4% (95%CI 92.5\u201397.3). Internal validation using chart review for the following year revealed similar accuracy: sensitivity 98.9% (95%CI 95.8\u201399.8), specificity 97.1% (95%CI 93.4\u201398.8), and positive predictive value 96.9% (95%CI 93.0\u201399.8). <\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p> A simple model based on administrative database codes accurately identified ESS-CRS encounters. This model can be used in population-based cohorts to study longitudinal outcomes for the ESS-CRS population. <\/jats:p><\/jats:sec>","DOI":"10.1186\/s40463-017-0216-0","type":"journal-article","created":{"date-parts":[[2017,5,8]],"date-time":"2017-05-08T14:05:22Z","timestamp":1494252322000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":5,"title":["Development and validation of an administrative data algorithm to identify adults who have endoscopic sinus surgery for chronic rhinosinusitis"],"prefix":"10.1177","volume":"46","author":[{"given":"Kristian I.","family":"Macdonald","sequence":"first","affiliation":[{"name":"MD FRCSC, Department of Otolaryngology \u2013 Head & Neck Surgery, University of Ottawa, Ottawa, ON, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shaun J.","family":"Kilty","sequence":"additional","affiliation":[{"name":"MD FRCSC, Department of Otolaryngology \u2013 Head & Neck Surgery, University of Ottawa, Ottawa, ON, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carl","family":"van Walraven","sequence":"additional","affiliation":[{"name":"MD MSc FRCPC, Department of Medicine, Ottawa Hospital Research Institute, University of Ottawa, Ottawa, ON, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2017,1,1]]},"reference":[{"key":"bibr1-s40463-017-0216-0","doi-asserted-by":"publisher","DOI":"10.1016\/S0091-6749(99)70464-1"},{"key":"bibr2-s40463-017-0216-0","doi-asserted-by":"publisher","DOI":"10.1097\/00005537-200307000-00016"},{"key":"bibr3-s40463-017-0216-0","doi-asserted-by":"publisher","DOI":"10.1186\/1472-6815-12-1"},{"key":"bibr4-s40463-017-0216-0","doi-asserted-by":"publisher","DOI":"10.1002\/lary.20034"},{"key":"bibr5-s40463-017-0216-0","doi-asserted-by":"publisher","DOI":"10.1002\/lary.25804"},{"key":"bibr6-s40463-017-0216-0","doi-asserted-by":"publisher","DOI":"10.1097\/ALN.0000000000000692"},{"key":"bibr7-s40463-017-0216-0","doi-asserted-by":"publisher","DOI":"10.1016\/j.jclinepi.2011.08.002"},{"key":"bibr8-s40463-017-0216-0","doi-asserted-by":"publisher","DOI":"10.1016\/j.jclinepi.2011.01.001"},{"key":"bibr9-s40463-017-0216-0","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0150416"},{"key":"bibr10-s40463-017-0216-0","doi-asserted-by":"publisher","DOI":"10.1016\/j.jclinepi.2010.10.006"},{"issue":"2","key":"bibr11-s40463-017-0216-0","first-page":"S99","volume":"40","author":"Desrosiers M","year":"2011","journal-title":"J Otolaryngol Head Neck Surg"},{"key":"bibr12-s40463-017-0216-0","doi-asserted-by":"publisher","DOI":"10.1148\/radiol.2015151516"},{"key":"bibr13-s40463-017-0216-0","doi-asserted-by":"publisher","DOI":"10.1002\/lary.22475"},{"key":"bibr14-s40463-017-0216-0","doi-asserted-by":"publisher","DOI":"10.5114\/wiitm.2011.30827"},{"key":"bibr15-s40463-017-0216-0","doi-asserted-by":"publisher","DOI":"10.2500\/ajr.2007.21.3086"},{"key":"bibr16-s40463-017-0216-0","volume-title":"The ICD-10 classification of mental and behavioural disorders: clinical descriptions and diagnostic guidelines","author":"World Health Organization","year":"1992"},{"key":"bibr17-s40463-017-0216-0","volume-title":"Canadian Classification of Health Interventions, Version 2015","author":"Canadian Institute for Health Information","year":"2015"},{"key":"bibr18-s40463-017-0216-0","doi-asserted-by":"publisher","DOI":"10.1016\/j.jamcollsurg.2012.11.013"},{"key":"bibr19-s40463-017-0216-0","doi-asserted-by":"publisher","DOI":"10.1002\/lary.25314"},{"key":"bibr20-s40463-017-0216-0","doi-asserted-by":"publisher","DOI":"10.1002\/alr.21036"},{"key":"bibr21-s40463-017-0216-0","doi-asserted-by":"publisher","DOI":"10.1177\/0194599814565606"}],"container-title":["Journal of Otolaryngology - Head &amp; 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