{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T15:31:22Z","timestamp":1777476682983,"version":"3.51.4"},"reference-count":27,"publisher":"SAGE Publications","issue":"1","license":[{"start":{"date-parts":[[2020,7,2]],"date-time":"2020-07-02T00:00:00Z","timestamp":1593648000000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Can Assoc Radiol J"],"published-print":{"date-parts":[[2021,2]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose:<\/jats:title>\n                    <jats:p>To assess the interobserver variability between chest radiologists in the interpretation of the Radiological Society of North America (RSNA) expert consensus statement reporting guidelines in patients with suspected coronavirus disease 2019 (COVID-19) pneumonia in a setting with limited reverse transcription polymerase chain reaction testing availability.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>Chest computed tomography (CT) studies in 303 consecutive patients with suspected COVID-19 were reviewed by 3 fellowship-trained chest radiologists. Cases were assigned an impression of typical, indeterminate, atypical, or negative for COVID-19 pneumonia according to the RSNA expert consensus statement reporting guidelines, and interobserver analysis was performed. Objective CT features associated with COVID-19 pneumonia and distribution of findings were recorded.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>The Fleiss kappa for all observers was almost perfect for typical (0.815), atypical (0.806), and negative (0.962) COVID-19 appearances ( P &lt; .0001) and substantial (0.636) for indeterminate COVID-19 appearance ( P &lt; .0001). Using Cramer V analysis, there were very strong correlations between all radiologists\u2019 interpretations, statistically significant for all (typical, indeterminate, atypical, and negative) COVID-19 appearances ( P &lt; .001). Objective CT imaging findings were recorded in similar percentages of typical cases by all observers.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>The RSNA expert consensus statement on reporting chest CT findings related to COVID-19 demonstrates substantial to almost perfect interobserver agreement among chest radiologists in a relatively large cohort of patients with clinically suspected COVID-19. It therefore serves as a reliable reference framework for radiologists to accurately communicate their level of suspicion based on the presence of evidence-based objective findings.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/0846537120938328","type":"journal-article","created":{"date-parts":[[2020,7,3]],"date-time":"2020-07-03T01:53:05Z","timestamp":1593741185000},"page":"159-166","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":31,"title":["RSNA Expert Consensus Statement on Reporting Chest CT Findings Related to COVID-19: Interobserver Agreement Between Chest Radiologists"],"prefix":"10.1177","volume":"72","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8168-2159","authenticated-orcid":false,"given":"Danielle","family":"Byrne","sequence":"first","affiliation":[{"name":"Department of Radiology, Vancouver General Hospital, British Columbia, Canada"},{"name":"University of British Columbia, Vancouver, British Columbia, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Siobhan B. O\u2019","family":"Neill","sequence":"additional","affiliation":[{"name":"Department of Radiology, Vancouver General Hospital, British Columbia, Canada"},{"name":"University of British Columbia, Vancouver, British Columbia, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nestor L.","family":"M\u00fcller","sequence":"additional","affiliation":[{"name":"Department of Radiology, Vancouver General Hospital, British Columbia, Canada"},{"name":"University of British Columbia, Vancouver, British Columbia, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2422-2735","authenticated-orcid":false,"given":"C. Isabela Silva","family":"M\u00fcller","sequence":"additional","affiliation":[{"name":"Department of Radiology, Delfin Clinic, Salvador, Bahia, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"John P.","family":"Walsh","sequence":"additional","affiliation":[{"name":"Department of Radiology, Vancouver General Hospital, British Columbia, Canada"},{"name":"University of British Columbia, Vancouver, British Columbia, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sabeena","family":"Jalal","sequence":"additional","affiliation":[{"name":"Department of Radiology, Vancouver General Hospital, British Columbia, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"William","family":"Parker","sequence":"additional","affiliation":[{"name":"Department of Radiology, Vancouver General Hospital, British Columbia, Canada"},{"name":"University of British Columbia, Vancouver, British Columbia, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ana-Maria","family":"Bilawich","sequence":"additional","affiliation":[{"name":"Department of Radiology, Vancouver General Hospital, British Columbia, Canada"},{"name":"University of British Columbia, Vancouver, British Columbia, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Savvas","family":"Nicolaou","sequence":"additional","affiliation":[{"name":"Department of Radiology, Vancouver General Hospital, British Columbia, Canada"},{"name":"University of British Columbia, Vancouver, British Columbia, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2020,7,2]]},"reference":[{"key":"bibr1-0846537120938328","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(20)30183-5"},{"key":"bibr2-0846537120938328","unstructured":"World Health Organization. WHO Director-General\u2019s opening remarks at the media briefing on COVID-19\u201411 March 2020. Published 2020. https:\/\/www.who.int\/dg\/speeches\/detail\/who-director-general-s-opening-remarks-at-the-media-briefing-on-covid-19-11-march-2020. Accessed May 14, 2020."},{"key":"bibr3-0846537120938328","volume-title":"Report of the WHO-China Joint Mission on Coronavirus Disease 2019 (COVID-19)","author":"World Health Organization","year":"2020"},{"key":"bibr4-0846537120938328","unstructured":"World Health Organization. Laboratory testing for 2019 novel coronavirus (2019-nCoV) in suspected human cases. 2020. 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