{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,29]],"date-time":"2026-01-29T13:14:28Z","timestamp":1769692468032,"version":"3.49.0"},"reference-count":22,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2026,1,16]],"date-time":"2026-01-16T00:00:00Z","timestamp":1768521600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0"},{"start":{"date-parts":[[2026,1,29]],"date-time":"2026-01-29T00:00:00Z","timestamp":1769644800000},"content-version":"vor","delay-in-days":13,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Aging Clin Exp Res"],"DOI":"10.1007\/s40520-025-03308-w","type":"journal-article","created":{"date-parts":[[2026,1,16]],"date-time":"2026-01-16T08:55:54Z","timestamp":1768553754000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["External validation of geriatric influenza death score: a prospective validation study"],"prefix":"10.1007","volume":"38","author":[{"given":"Hamideh","family":"Akbari","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Abbas Pakravan","family":"Bushehri","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Saeed","family":"Aqavil-Jahromi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mohammad","family":"Eftekhari","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kourosh Javdani","family":"Esfehani","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Atousa","family":"Akhgar","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mohammad","family":"Jalili","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2026,1,16]]},"reference":[{"key":"3308_CR1","unstructured":"United Nations, Department of Economic and Social Affairs, Population Division. World Population Prospects 2022.New York: United Nations (2022) Available from: https:\/\/population.un.org\/wpp\/"},{"key":"3308_CR2","doi-asserted-by":"publisher","first-page":"141e145","DOI":"10.1016\/j.tjem.2016.08.004","volume":"16","author":"U Gulacti","year":"2016","unstructured":"Gulacti U, Ugur Lok U, Celik M, Aktas N, Polat H (2016) The ED use and non-urgent visits of older adult patients. Turkish J Emerg Med 16:141e145","journal-title":"Turkish J Emerg Med"},{"key":"3308_CR3","doi-asserted-by":"crossref","unstructured":"Latham P, Ackroyd-Stolarz L (2014) S. Emergency department utilization by older adults: A descriptive study. Can Geriatr J, 17, Issue 4","DOI":"10.5770\/cgj.17.108"},{"key":"3308_CR4","doi-asserted-by":"publisher","first-page":"19","DOI":"10.1007\/s12245-009-0087-x","volume":"2","author":"WT Yim","year":"2009","unstructured":"Yim WT, Graham VA, Rainer CH (2009) A comparison of emergency department utilization by elderly and younger adult patients presenting to three hospitals in Hong Kong. Int J Emerg Med 2:19\u201324","journal-title":"Int J Emerg Med"},{"key":"3308_CR5","unstructured":"World Health Organization. Influenza (Seasonal): Fact Sheet. Geneva: World Health Organization (2018) [updated 6 November 2018]. Available from: https:\/\/www.who.int\/news-room\/fact-sheets\/detail\/influenza-(seasonal)"},{"key":"3308_CR6","doi-asserted-by":"publisher","unstructured":"Kao Y, Lee W, Tsai K, Liu C Hsu Ch. External validation of geriatric influenza death score: A multicenter study. PLoS ONE 2023 March 18(3): e0283475. https:\/\/doi.org\/10.1371\/journal.pone.0283475","DOI":"10.1371\/journal.pone.0283475"},{"key":"3308_CR7","doi-asserted-by":"publisher","unstructured":"Talbot HK (2017) Influenza in Elderly. Infect Dis Clin North Am, 31(4): pp. 757\u2013766. https:\/\/doi.org\/10.1016\/j.idc.2017.07.005 PMID: 28911829","DOI":"10.1016\/j.idc.2017.07.005"},{"key":"3308_CR8","unstructured":"Centers for Disease Control and Prevention. People 65 Years and Older & Influenza. Atlanta: Centers for Disease Control and Prevention (2022) Available from: https:\/\/www.cdc.gov\/flu\/highrisk\/65over.htm"},{"key":"3308_CR9","doi-asserted-by":"publisher","first-page":"e044496","DOI":"10.1136\/bmjopen-2020-044496","volume":"11","author":"T Wang","year":"2021","unstructured":"Wang T, Jheng J, Tseng Y, Chen L, Chung J (2021) National early warning score for predicting intensive care unit admission among elderly patients with influenza infections in the emergency department: an effective disposition tool during the influenza season. BMJ Open 11:e044496","journal-title":"BMJ Open"},{"key":"3308_CR10","doi-asserted-by":"crossref","unstructured":"Chung J, Hsu Ch, Chen J, Chen W, Lin H et al (2018) Geriatric influenza death (GID) score: a new tool for predicting mortality in older people with influenza in the emergency department. Sci Rep ; June 18; 8:9312.","DOI":"10.1038\/s41598-018-27694-6"},{"issue":"2","key":"3308_CR11","first-page":"81","volume":"22","author":"DL Dee","year":"2012","unstructured":"Dee DL et al (2012) Racial and ethnic disparities in hospitalizations and deaths associated with 2009 pandemic influenza A (H1N1) virus infections in the united States. Ann Epidemiol 22(2):81\u201388","journal-title":"Ann Epidemiol"},{"issue":"17\u201318","key":"3308_CR12","first-page":"2585","volume":"22","author":"H Geijer","year":"2013","unstructured":"Geijer H, Udumyan R, Lohse G, Nilsag\u00e5rd Y (2013) Temperature measurements with a Temporal scanner: a prospective study of febrile and afebrile patients. J Clin Nurs 22(17\u201318):2585\u20132591","journal-title":"J Clin Nurs"},{"key":"3308_CR13","unstructured":"MedCalc Software Ltd Sample size for Area under ROC curve [Internet]. Version 23.3.7; 2025 [cited 2025 Sep 7]. Available from: https:\/\/www.medcalc.org\/calc\/sample-size-area-under-roc-curve.php"},{"key":"3308_CR14","doi-asserted-by":"publisher","first-page":"296","DOI":"10.1097\/QCO.0000000000000931","volume":"36","author":"A Conrad","year":"2023","unstructured":"Conrad A, Valour F, Vanhems P (2023) Burden of influenza in the elderly: a narrative review. Curr Opin Infect Dis 36:296\u2013302. https:\/\/doi.org\/10.1097\/QCO.0000000000000931","journal-title":"Curr Opin Infect Dis"},{"key":"3308_CR15","doi-asserted-by":"crossref","unstructured":"Akbari H, Mirfazaelian H, Safaei A, Ghafari Aghdam H, Akhgar A et al (2024) Predicting mortality in geriatric patients with fever in the emergency departments: a prospective validation study. BMC Geriatr. ;758","DOI":"10.21203\/rs.3.rs-4559208\/v1"},{"key":"3308_CR16","unstructured":"Budd A, Blanton L, Grohskopf L, Campbell A Dugan V.Infleunza.CDC.2019;6."},{"key":"3308_CR17","doi-asserted-by":"crossref","unstructured":"Singer M, Deutschman C, Seymour Ch, Shankar-Hari M, Annane D (2016 February) The third international consensus definitions for sepsis and septic shock (Sepsis-3). JAMA 23(8):801\u2013810","DOI":"10.1001\/jama.2016.0287"},{"key":"3308_CR18","doi-asserted-by":"publisher","first-page":"835","DOI":"10.1111\/apm.12040","volume":"121","author":"KO Gradel","year":"2013","unstructured":"Gradel KO, Jensen TG, Kolmos HJ, Pedersen C, Vinholt PJ, Lassen AT (2013) Does C-reactive protein independently predict mortality in adult community-acquired bacteremia patients with known sepsis severity? APMIS 121:835\u2013842","journal-title":"APMIS"},{"key":"3308_CR19","doi-asserted-by":"publisher","first-page":"47","DOI":"10.1186\/2049-6958-7-47","volume":"7","author":"\u00d6 Devran","year":"2012","unstructured":"Devran \u00d6, Karakurt Z, Ad\u0131g\u00fczel N, G\u00fcng\u00f6r G, Mo\u00e7in \u00d6 et al (2012) C-reactive protein as a predictor of mortality in patients affected with severe sepsis in intensive care unit. Multidisciplinary Respiratory Med 7:47","journal-title":"Multidisciplinary Respiratory Med"},{"key":"3308_CR20","doi-asserted-by":"publisher","first-page":"1432","DOI":"10.1378\/chest.129.6.1432","volume":"129","author":"P Danai","year":"2006","unstructured":"Danai P, Moss M, Mannino M, Martin G (2006) The epidemiology of sepsis in patients with malignancy. Chest 129:1432\u20131440","journal-title":"Chest"},{"key":"3308_CR21","doi-asserted-by":"publisher","first-page":"2730","DOI":"10.1161\/01.CIR.0000102380.47012.92","volume":"108","author":"M Madjid","year":"2003","unstructured":"Madjid M, Naghavi M, Litovsky S, Casscells S (2003) Influenza and cardiovascular disease: A new opportunity for prevention and the need for further studies. Circulation 108:2730\u20132736","journal-title":"Circulation"},{"key":"3308_CR22","doi-asserted-by":"publisher","first-page":"A5","DOI":"10.1093\/eurheartjsupp\/suac117","volume":"25","author":"KG Skaarup","year":"2023","unstructured":"Skaarup KG, Modin D, Nielsen L, Jensen JUS, Biering-S\u00f8rensen T (2023) Influenza and cardiovascular disease pathophysiology: strings attached. Eur Heart J 25:A5\u2013A11","journal-title":"Eur Heart J"}],"container-title":["Aging Clinical and Experimental Research"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s40520-025-03308-w","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s40520-025-03308-w.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s40520-025-03308-w.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,1,29]],"date-time":"2026-01-29T02:13:39Z","timestamp":1769652819000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s40520-025-03308-w"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,1,16]]},"references-count":22,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2026,12]]}},"alternative-id":["3308"],"URL":"https:\/\/doi.org\/10.1007\/s40520-025-03308-w","relation":{},"ISSN":["1720-8319"],"issn-type":[{"value":"1720-8319","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,1,16]]},"assertion":[{"value":"17 October 2025","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"22 December 2025","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"16 January 2026","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"The authors declare no competing interests.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}},{"value":"Available upon request.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Informed consent"}},{"value":"The study was approved by Tehran University of Medical Sciences ethics committee (IR.TUMS.IKHC.REC.1402.191). Written informed consent was obtained from all participants.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval institute name"}}],"article-number":"57"}}