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{ "pk": 39947, "title": "Accuracy of Triage Nurses in Predicting Patient Admissions: Retrospective, Large-sample Evidence from a Community Emergency Department", "subtitle": null, "abstract": "<p><strong>Introduction:</strong> Emergency department (ED) flow could be improved with quicker disposition decisions. One possible way to expedite decisions is for triage nurses to make predictions about whether patients require admission to hospital. The information contained in these predictions could be useful for disposition planning and for physician decision-making. Previous studies made use of prospective designs that introduced Hawthorne effects and have demonstrated mixed evidence on whether triage nurse predictions are accurate. We examined the accuracy of triage nurse predictions for patient admission in an ED in southeastern Ontario.</p>\n<p><strong>Methods:</strong> We examined a retrospective sample of 134,891 visits to an ED in Ontario from March 2019 – July 2024. Triage nurses made predictions about admission to hospital for these visits, from which we estimated measures of specificity, sensitivity, positive predictive value, negative predictive value, accuracy, and F1 scores.</p>\n<p><strong>Results:</strong> Of 134,891 visits, 13.7% resulted in hospital admission. We found the accuracy of the nurses in predicting admission to be 85.8% (95% confidence interval [CI] 85.7 - 86.1), while overall sensitivity was 36.6% (95% CI 35.9 - 37.3) and specificity was 93.7% (95% CI 93.5 - 93.8). The positive predictive value of admission was 47.9% (95% CI 47.1 - 48.7), and the negative predictive value of admission was 90.3% (95% CI 90.1 - 90.5). F1 scores were 0.415. These results were relatively stable over time, although there was notable variation in prediction ability between nurses. We also report that some presenting conditions lead to relatively higher prediction accuracy than others and that as overall case severity increases, sensitivity increases and specificity decreases.</p>\n<p><strong>Conclusion:</strong> These results suggest that although nursing staff predictions are insufficient to streamline disposition decisions completely, they could be useful in expediting certain decisions related to hospital admission and resource requirement, thereby improving flow in EDs.</p>", "language": "eng", "license": { "name": "Creative Commons Attribution 4.0", "short_name": "CC BY 4.0", "text": "Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.\r\n\r\nNo additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.", "url": "https://creativecommons.org/licenses/by/4.0" }, "keywords": [ { "word": "triaging" }, { "word": "prediction" }, { "word": "admission" } ], "section": "Emergency Department Operations", "is_remote": true, "remote_url": "https://escholarship.org/uc/item/1g336553", "frozenauthors": [ { "first_name": "Calvin", "middle_name": "", "last_name": "Armstrong", "name_suffix": "", "institution": "McMaster University, Michael G. DeGroote School of Medicine, Hamilton, Ontario, Canada", "department": "" }, { "first_name": "David", "middle_name": "", "last_name": "Kanter-Eivin", "name_suffix": "", "institution": "McMaster University, Michael G. DeGroote School of Medicine, Hamilton, Ontario, Canada", "department": "" }, { "first_name": "Michaela", "middle_name": "", "last_name": "Dowling", "name_suffix": "", "institution": "McMaster University, Michael G. DeGroote School of Medicine, Hamilton, Ontario, Canada", "department": "" }, { "first_name": "Grant", "middle_name": "", "last_name": "Sweeney", "name_suffix": "", "institution": "McMaster University, Michael G. DeGroote School of Medicine, Hamilton, Ontario, Canada", "department": "" }, { "first_name": "Asil", "middle_name": "", "last_name": "El Galad", "name_suffix": "", "institution": "McMaster University, Michael G. DeGroote School of Medicine, Hamilton, Ontario, Canada", "department": "" }, { "first_name": "Anil", "middle_name": "", "last_name": "Esleben", "name_suffix": "", "institution": "McMaster University, Michael G. DeGroote School of Medicine, Hamilton, Ontario, Canada", "department": "" }, { "first_name": "Nanda", "middle_name": "Krishna", "last_name": "Duggirala", "name_suffix": "", "institution": "Niagara Health, Ontario, Canada", "department": "" }, { "first_name": "Corrine", "middle_name": "", "last_name": "Mitges", "name_suffix": "", "institution": "McMaster University, Division of Emergency Medicine, Department of Family Medicine, Faculty of Health Sciences, Hamilton, Ontario, Canada", "department": "" }, { "first_name": "Shauna", "middle_name": "", "last_name": "Speck", "name_suffix": "", "institution": "Niagara Health, Ontario, Canada", "department": "" }, { "first_name": "Stephenson", "middle_name": "", "last_name": "Strobel", "name_suffix": "", "institution": "Niagara Health, Ontario, Canada; McMaster University, Division of Emergency Medicine, Department of Family Medicine, Faculty of Health Sciences, Hamilton, Ontario, Canada", "department": "" } ], "date_submitted": "2024-11-20T00:40:53.207000Z", "date_accepted": "2025-04-21T21:45:25.929000Z", "date_published": "2025-09-01T15:39:00Z", "render_galley": null, "galleys": [ { "label": "PDF", "type": "pdf", "path": "https://journalpub.escholarship.org/westjem/article/39947/galley/39992/download/" } ] }