{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T11:03:33Z","timestamp":1789643013824,"version":"4.0.0"},"reference-count":13,"publisher":"Springer Science and Business Media LLC","issue":"7","license":[{"start":{"date-parts":[[2020,8,26]],"date-time":"2020-08-26T00:00:00Z","timestamp":1598400000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"},{"start":{"date-parts":[[2020,8,26]],"date-time":"2020-08-26T00:00:00Z","timestamp":1598400000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Arch Orthop Trauma Surg"],"published-print":{"date-parts":[[2021,7]]},"DOI":"10.1007\/s00402-020-03585-2","type":"journal-article","created":{"date-parts":[[2020,8,26]],"date-time":"2020-08-26T09:03:00Z","timestamp":1598432580000},"page":"1183-1187","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["After hours surgery for elderly hip fracture patients: How safe is it?"],"prefix":"10.1007","volume":"141","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9178-8360","authenticated-orcid":false,"given":"Quan You","family":"Yeo","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ernest Beng Kee","family":"Kwek","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2020,8,26]]},"reference":[{"issue":"5","key":"3585_CR1","doi-asserted-by":"publisher","first-page":"407","DOI":"10.1007\/PL00004148","volume":"7","author":"B Gullberg","year":"1997","unstructured":"Gullberg B, Johnell O, Kanis JA (1997) World-wide projections for hip fracture. Osteoporos Int 7(5):407\u2013413","journal-title":"Osteoporos Int"},{"issue":"2A","key":"3585_CR2","doi-asserted-by":"publisher","first-page":"20S","DOI":"10.1016\/s0002-9343(97)90023-1","volume":"103","author":"O Johnell","year":"1997","unstructured":"Johnell O (1997) The socioeconomic burden of fractures: today and in the 21st century. Am J Med 103(2A):20S\u2013S25. https:\/\/doi.org\/10.1016\/s0002-9343(97)90023-1(Discussion 25S-6S)","journal-title":"Am J Med"},{"issue":"10","key":"3585_CR3","doi-asserted-by":"publisher","first-page":"1551","DOI":"10.2106\/00004623-199510000-00010","volume":"77","author":"JD Zuckerman","year":"1995","unstructured":"Zuckerman JD, Skovron ML, Koval KJ, Aharonoff G, Frankel VH (1995) Postoperative complications and mortality associated with operative delay in older patients who have a fracture of the hip. J Bone Joint Surg Am 77(10):1551\u20131556. https:\/\/doi.org\/10.2106\/00004623-199510000-00010","journal-title":"J Bone Joint Surg Am"},{"issue":"2","key":"3585_CR4","doi-asserted-by":"publisher","first-page":"261","DOI":"10.1097\/00005373-199508000-00012","volume":"39","author":"FB Rogers","year":"1995","unstructured":"Rogers FB, Shackford SR, Keller MS (1995) Early fixation reduces morbidity and mortality in elderly patients with hip fractures from low-impact falls. J Trauma 39(2):261\u2013265","journal-title":"J Trauma"},{"issue":"3","key":"3585_CR5","doi-asserted-by":"publisher","first-page":"166","DOI":"10.1053\/j.semtcvs.2012.06.005","volume":"24","author":"C Sugden","year":"2012","unstructured":"Sugden C, Athanasiou T, Darzi A (2012) What are the effects of sleep deprivation and fatigue in surgical practice? Semin Thorac Cardiovasc Surg 24(3):166\u2013175. https:\/\/doi.org\/10.1053\/j.semtcvs.2012.06.005","journal-title":"Semin Thorac Cardiovasc Surg"},{"issue":"16","key":"3585_CR6","doi-asserted-by":"publisher","first-page":"1249","DOI":"10.1056\/NEJMsa020846","volume":"347","author":"DM Gaba","year":"2002","unstructured":"Gaba DM, Howard SK (2002) Fatigue among clinicians and the safety of patients. N Engl J Med 347(16):1249\u20131255. https:\/\/doi.org\/10.1056\/NEJMsa020846","journal-title":"N Engl J Med"},{"issue":"9135","key":"3585_CR7","doi-asserted-by":"publisher","first-page":"1191","DOI":"10.1016\/s0140-6736(98)00034-8","volume":"352","author":"NJ Taffinder","year":"1998","unstructured":"Taffinder NJ, McManus IC, Gul Y, Russell RC, Darzi A (1998) Effect of sleep deprivation on surgeons\u2019 dexterity on laparoscopy simulator. Lancet 352(9135):1191. https:\/\/doi.org\/10.1016\/s0140-6736(98)00034-8","journal-title":"Lancet"},{"issue":"9","key":"3585_CR8","doi-asserted-by":"publisher","first-page":"2067","DOI":"10.2106\/JBJS.H.00661","volume":"91","author":"WM Ricci","year":"2009","unstructured":"Ricci WM, Gallagher B, Brandt A, Schwappach J, Tucker M, Leighton R (2009) Is after-hours orthopaedic surgery associated with adverse outcomes? A prospective comparative study. J Bone Joint Surg Am 91(9):2067\u20132072. https:\/\/doi.org\/10.2106\/JBJS.H.00661","journal-title":"J Bone Joint Surg Am"},{"issue":"4","key":"3585_CR9","doi-asserted-by":"publisher","first-page":"450","DOI":"10.1093\/bja\/ael012","volume":"96","author":"NB Foss","year":"2006","unstructured":"Foss NB, Kehlet H (2006) Short-term mortality in hip fracture patients admitted during weekends and holidays. Br J Anaesth 96(4):450\u2013454. https:\/\/doi.org\/10.1093\/bja\/ael012","journal-title":"Br J Anaesth"},{"issue":"5","key":"3585_CR10","doi-asserted-by":"publisher","first-page":"1653","DOI":"10.1016\/j.athoracsur.2015.04.131","volume":"100","author":"KW Yount","year":"2015","unstructured":"Yount KW, Lau CL, Yarboro LT et al (2015) Late operating room start times impact mortality and cost for nonemergent cardiac surgery. Ann Thorac Surg 100(5):1653\u20131659. https:\/\/doi.org\/10.1016\/j.athoracsur.2015.04.131","journal-title":"Ann Thorac Surg"},{"issue":"7","key":"3585_CR11","doi-asserted-by":"publisher","first-page":"789","DOI":"10.1007\/s00384-009-0692-4","volume":"24","author":"N Komen","year":"2009","unstructured":"Komen N, Dijk J-W, Lalmahomed Z et al (2009) After-hours colorectal surgery: a risk factor for anastomotic leakage. Int J Colorectal Dis 24(7):789\u2013795. https:\/\/doi.org\/10.1007\/s00384-009-0692-4","journal-title":"Int J Colorectal Dis"},{"issue":"9","key":"3585_CR12","doi-asserted-by":"publisher","first-page":"923","DOI":"10.1016\/j.ijsu.2013.07.003","volume":"11","author":"RH Rashid","year":"2013","unstructured":"Rashid RH, Zubairi AJ, Slote MU, Noordin S (2013) Hip fracture surgery: does time of the day matter? A case-controlled study. Int J Surg 11(9):923\u2013925. https:\/\/doi.org\/10.1016\/j.ijsu.2013.07.003","journal-title":"Int J Surg"},{"issue":"7","key":"3585_CR13","doi-asserted-by":"publisher","first-page":"1536","DOI":"10.1016\/j.injury.2017.05.017","volume":"48","author":"LMG Nijland","year":"2017","unstructured":"Nijland LMG, Karres J, Simons AE, Ultee JM, Kerkhoffs GMMJ, Vrouenraets BC (2017) The weekend effect for hip fracture surgery. Injury 48(7):1536\u20131541. https:\/\/doi.org\/10.1016\/j.injury.2017.05.017","journal-title":"Injury"}],"container-title":["Archives of Orthopaedic and Trauma Surgery"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00402-020-03585-2.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s00402-020-03585-2\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00402-020-03585-2.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2021,8,25]],"date-time":"2021-08-25T23:30:35Z","timestamp":1629934235000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s00402-020-03585-2"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,8,26]]},"references-count":13,"journal-issue":{"issue":"7","published-print":{"date-parts":[[2021,7]]}},"alternative-id":["3585"],"URL":"https:\/\/doi.org\/10.1007\/s00402-020-03585-2","relation":{},"ISSN":["0936-8051","1434-3916"],"issn-type":[{"value":"0936-8051","type":"print"},{"value":"1434-3916","type":"electronic"}],"subject":[],"published":{"date-parts":[[2020,8,26]]},"assertion":[{"value":"14 April 2020","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"16 August 2020","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"26 August 2020","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Compliance with ethical standards"}},{"value":"The authors declare that they have no conflict of interest.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"This article was performed with Institutional Review Board (IRB) approval.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}}]}}