{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,22]],"date-time":"2026-10-22T16:28:54Z","timestamp":1792686534058,"version":"4.5.0"},"reference-count":29,"publisher":"BMJ","issue":"11","license":[{"start":{"date-parts":[[2020,11,29]],"date-time":"2020-11-29T00:00:00Z","timestamp":1606608000000},"content-version":"unspecified","delay-in-days":28,"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":[[2020,10,30]]},"published-print":{"date-parts":[[2020,11]]},"abstract":"<jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To examine the severity and progression of acute illness or injury in children using vital signs obtained during ambulance transport and categorised according to a paediatric triage model.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design<\/jats:title>\n                    <jats:p>A population-based historical cohort study using data from prehospital patient medical records linked to a national civil registration database.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Setting<\/jats:title>\n                    <jats:p>Emergency medical services providing ground-level transport in a mixed urban\u2013rural region with three hospitals in Denmark.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Participants<\/jats:title>\n                    <jats:p>25\u2009039 events with patients aged &lt;18 years attended by emergency medical services dispatched after a 1-1-2 emergency call during the years 2006\u20132018.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Primary and secondary outcome measures<\/jats:title>\n                    <jats:p>Distribution of the first observed vital signs according to a paediatric triage model: heart rate, Glasgow Coma Score, respiratory rate, oxygen saturation and oxygen treatment, and proportion of patients progressing to a triage score with a lower level of urgency during ambulance transport.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The proportion of patients with the first observed vital signs outside the normal age-specific range was as follows: 33.6% for heart rate, 15.3% for Glasgow Coma Score, 17.4% for respiratory rate and 37.4% for oxygen saturation regardless of oxygen treatment. The proportion of patients progressing to a triage score with a lower level of urgency during transport varied with age: 146\/354 (41.2%) for age 0\u20132 months, 440\/986 (44.6%) for age 3\u201311 months, 1278\/3212 (39.8%) for age 1\u20132 years, 967\/2814 (34.4%) for age 3\u20137 years and 4029\/13 864 (29.1%) for age 8\u201317 years (p&lt;0.001). One-day mortality was 3.05 deaths per 1000 patient-days (95%\u2009CI 2.43 to 3.83).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>One third of the patients\u2019 condition progressed to a triage score with a lower level of urgency during ambulance transport. Vital sign documentation in paediatric patients was incomplete, and educational initiatives should be taken to increase documentation of vital signs, especially in patients aged \u22642 years.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1136\/bmjopen-2020-042401","type":"journal-article","created":{"date-parts":[[2020,11,30]],"date-time":"2020-11-30T16:13:11Z","timestamp":1606752791000},"page":"e042401","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":14,"title":["Progression of vital signs during ambulance transport categorised by a paediatric triage model: a population-based historical cohort study"],"prefix":"10.1136","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2838-9612","authenticated-orcid":false,"given":"Vibe Maria Laden","family":"Nielsen","sequence":"first","affiliation":[{"name":"Centre for Prehospital and Emergency Research, Aalborg University Hospital, Aalborg, Denmark"},{"name":"Department of Clinical Medicine, Aalborg University, Aalborg, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Torben","family":"Kl\u00f8jg\u00e5rd","sequence":"additional","affiliation":[{"name":"Centre for Prehospital and Emergency Research, Aalborg University Hospital, Aalborg, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Henrik","family":"Bruun","sequence":"additional","affiliation":[{"name":"Centre for Prehospital and Emergency Research, Aalborg University Hospital, Aalborg, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Morten Breinholt","family":"S\u00f8vs\u00f8","sequence":"additional","affiliation":[{"name":"Centre for Prehospital and Emergency Research, Aalborg University Hospital, Aalborg, Denmark"},{"name":"Prehospital Emergency Medical Services, North Denmark Region, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3673-9694","authenticated-orcid":false,"given":"Erika Frischknecht","family":"Christensen","sequence":"additional","affiliation":[{"name":"Centre for Prehospital and Emergency Research, Aalborg University Hospital, Aalborg, Denmark"},{"name":"Department of Clinical Medicine, Aalborg University, Aalborg, Denmark"},{"name":"Emergency Department and Trauma Centre, Aalborg University Hospital, Aalborg, Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2020,11,30]]},"reference":[{"key":"2025121514574289000_10.11.e042401.1","doi-asserted-by":"crossref","first-page":"921","DOI":"10.1007\/s00431-016-2723-9","article-title":"Pediatric pre-hospital emergencies in Belgium: a 2-year national descriptive study","volume":"175","author":"Demaret","year":"2016","journal-title":"Eur J Pediatr"},{"key":"2025121514574289000_10.11.e042401.2","doi-asserted-by":"publisher","DOI":"10.1136\/bmjopen-2016-011558"},{"key":"2025121514574289000_10.11.e042401.3","doi-asserted-by":"crossref","DOI":"10.1186\/s13049-017-0470-1","article-title":"Paediatric medical emergency calls to a Danish emergency medical dispatch centre: a retrospective, observational study","volume":"26","author":"Andersen","year":"2018","journal-title":"Scand J Trauma Resusc Emerg Med"},{"key":"2025121514574289000_10.11.e042401.4","unstructured":"Lissauer T , Clayden G . 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