{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,27]],"date-time":"2026-08-27T11:21:11Z","timestamp":1787829671186,"version":"build-2784847793"},"reference-count":24,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2026,8,14]],"date-time":"2026-08-14T00:00:00Z","timestamp":1786665600000},"content-version":"vor","delay-in-days":13,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2026,8,1]],"date-time":"2026-08-01T00:00:00Z","timestamp":1785542400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Emerg Medicine Australasia"],"published-print":{"date-parts":[[2026,8]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To inform in\u2010event health service (IEHS) delivery and harm minimisation strategies for the planned youth mass gathering event (MGE) known as \u2018Leavers\u2019 in the Southwest region of Western Australia. This study aimed to describe patient emergency department (ED) presentation characteristics and outcomes for Leavers WA.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A retrospective observational study of patient presentations by Leavers to the Busselton ED at the 2022 MGE. This included 4\u2009days with IEHS operation (7\u2009pm to 1\u2009am), 2\u2009days prior to and 3\u2009days post the MGE. Data analysis included descriptive and inferential statistics.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Of 9621 Leavers, 121 (1.26%, PPR 12.6\/1000) presented to ED: 12 prior to, 85 during and 24 post the MGE. The majority of presentations were from the community (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u2009103, 85.1%). Of 557 Leavers who presented to the IEHS, 18 were transported to hospital (TTHR 1.87\/1000). The majority of presentations were ATS 3 and ATS 4 (43.8%, 42.1%). Medical illness was the most common presentation category (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u200959, 48.8%). 51.2% of presentations were related to alcohol\/illicit substance use. 85.6% of Leavers were seen and allocated a discharge disposition within 4\u2009h.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Leavers WA celebrations introduced a significant burden on the regional ED with over half the presentations drug and alcohol related and the majority of patients requiring urgent or semi\u2010urgent assessment. The IEHS likely reduced this burden during operational hours. Future research should focus on standardisation of data collection, comparing IEHS and ED presentations, and measuring effectiveness of harm minimisation strategies.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/1742-6723.70308","type":"journal-article","created":{"date-parts":[[2026,8,14]],"date-time":"2026-08-14T08:36:06Z","timestamp":1786696566000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Emergency Department Presentations During Southwest Leavers Week 2022: A Retrospective Observational Study"],"prefix":"10.1111","volume":"38","author":[{"ORCID":"https:\/\/orcid.org\/0009-0001-6676-5642","authenticated-orcid":false,"given":"James","family":"Borshoff","sequence":"first","affiliation":[{"name":"The University of Western Australia  Crawley Western Australia Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Siena","family":"McQuillan","sequence":"additional","affiliation":[{"name":"The University of Western Australia  Crawley Western Australia Australia"},{"name":"Western Australian Country Health Service  Perth Western Australia Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emma","family":"Jamieson","sequence":"additional","affiliation":[{"name":"The University of Western Australia  Crawley Western Australia Australia"},{"name":"The Rural Clinical School of Western Australia  Bunbury Western Australia Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Clare","family":"Willix","sequence":"additional","affiliation":[{"name":"The University of Western Australia  Crawley Western Australia Australia"},{"name":"Western Australian Country Health Service  Perth Western Australia Australia"},{"name":"The Rural Clinical School of Western Australia  Bunbury Western Australia Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,8,14]]},"reference":[{"key":"e_1_2_11_2_1","unstructured":"\u201cEmergencies: WHO's Role in Mass Gatherings \u201dhttps:\/\/www.who.int\/news\u2010room\/questions\u2010and\u2010answers\/item\/what\u2010is\u2010who\u2010s\u2010role\u2010in\u2010mass\u2010gatherings."},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.1017\/S1049023X14001216"},{"key":"e_1_2_11_4_1","doi-asserted-by":"publisher","DOI":"10.1017\/S1049023X00004507"},{"key":"e_1_2_11_5_1","doi-asserted-by":"publisher","DOI":"10.1080\/09595239996419"},{"key":"e_1_2_11_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1467\u2010842x.1997.tb01679.x"},{"key":"e_1_2_11_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/1753\u20106405.12266"},{"issue":"1","key":"e_1_2_11_8_1","first-page":"26","article-title":"Schoolies Week in Perspective; Studies of Alcohol, Drug and Risk\u2010Taking Behaviour","volume":"3","author":"Salom C.","year":"2005","journal-title":"Of Substance. 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