Validation of the Nottingham Hip Fracture Score (NHFS) in Patients with Hip Fracture: A Prospective Cohort Study in the Netherlands

References

• Dubljanin RaspopovicE, Markovic DenicL, MarinkovicJ, et al. Early mortality after hip fracture: what matters?Psychogeriatrics. 2015;15(2):95–101. doi:10.1111/psyg.1207625516204
   PubMed Web of Science ®Google Scholar
• de JongL, Mal KlemT, KuijperTM, RoukemaGR. Validation of the nottingham hip fracture score (NHFS) to predict 30-day mortality in patients with an intracapsular hip fracture. Orthop Traumatol Surg Res. 2019;105(3):485–489. doi:10.1016/j.otsr.2019.02.00430862492
   PubMed Web of Science ®Google Scholar
• NijmeijerWS, FolbertEC, VermeerM, SlaetsJP, HegemanJH. Prediction of early mortality following hip fracture surgery in frail elderly: the almelo hip fracture score (AHFS). Injury. 2016;47(10):2138–2143. doi:10.1016/j.injury.2016.07.02227469403
   PubMed Web of Science ®Google Scholar
• WilesMD, MoranCG, SahotaO, MoppettIK. Nottingham hip fracture score as a predictor of one year mortality in patients undergoing surgical repair of fractured neck of femur. Br J Anaesth. 2011;106(4):501–504. doi:10.1093/bja/aeq40521278153
   PubMed Web of Science ®Google Scholar
• MoppettIK, ParkerM, GriffithsR, BowersT, WhiteSM, MoranCG. Nottingham hip fracture score: longitudinal and multi-assessment. Br J Anaesth. 2012;109(4):546–550. doi:10.1093/bja/aes18722728204
   PubMed Web of Science ®Google Scholar
• RamanathanTS, MoppettIK, WennR, MoranCG. POSSUM scoring for patients with fractured neck of femur. Br J Anaesth. 2005;94(4):430–433. doi:10.1093/bja/aei06415640304
   PubMed Web of Science ®Google Scholar
• CharlsonME, PompeiP, AlesKL, MacKenzieCR. A new method of classifying prognostic comorbidity in longitudinal studies: development and validation. J Chronic Dis. 1987;40(5):373–383. doi:10.1016/0021-9681(87)90171-83558716
   PubMedGoogle Scholar
• MohamedK, CopelandGP, BootDA, et al. An assessment of the POSSUM system in orthopaedic surgery. J Bone Joint Surg Br. 2002;84(5):735–739. doi:10.1302/0301-620X.84B5.084073512188495
   PubMedGoogle Scholar
• JonssonMH, BentzerP, TurkiewiczA, HommelA. Accuracy of the physiological and operative severity score for the enUmeration of mortality and morbidity score and the nottingham risk score in hip fracture patients in sweden - A prospective observational study. Acta Anaesthesiol Scand. 2018;62(8):1057–1063. doi:10.1111/aas.13131
   Web of Science ®Google Scholar
• KarresJ, HeesakkersNA, UlteeJM, VrouenraetsBC. Predicting 30-day mortality following hip fracture surgery: evaluation of six risk prediction models. Injury. 2015;46(2):371–377. doi:10.1016/j.injury.2014.11.00425464983
   PubMed Web of Science ®Google Scholar
• MaxwellMJ, MoranCG, MoppettIK. Development and validation of a preoperative scoring system to predict 30 day mortality in patients undergoing hip fracture surgery. Br J Anaesth. 2008;101(4):511–517. doi:10.1093/bja/aen23618723517
   PubMed Web of Science ®Google Scholar
• RushtonPR, ReedMR, PrattRK. Independent validation of the nottingham hip fracture score and identification of regional variation in patient risk within england. Bone Joint J. 2015;97-B(1):100–103. doi:10.1302/0301-620X.97B1.3467025568421
   PubMed Web of Science ®Google Scholar
• MarufuTC, WhiteSM, GriffithsR, MoonesingheSR, MoppettIK. Prediction of 30-day mortality after hip fracture surgery by the nottingham hip fracture score and the surgical outcome risk tool. Anaesthesia. 2016;71(5):515–521. doi:10.1111/anae.1341826940757
   PubMed Web of Science ®Google Scholar
• HosmerDW, LemeshowS. Applied Logistic Regression. 2nd ed. WileyJ, SonsI. 2000.
   Google Scholar
• SteyerbergEW, HarrellFEJr. Prediction models need appropriate internal, internal-external, and external validation. J Clin Epidemiol. 2016;69:245–247. doi:10.1016/j.jclinepi.2015.04.00525981519
   PubMed Web of Science ®Google Scholar
• VergouweY, SteyerbergEW, EijkemansMJ, HabbemaJD. Substantial effective sample sizes were required for external validation studies of predictive logistic regression models. J Clin Epidemiol. 2005;58(5):475–483. doi:10.1016/j.jclinepi.2004.06.01715845334
   PubMed Web of Science ®Google Scholar
• RileyRD, EnsorJ, SnellKI, et al. External validation of clinical prediction models using big datasets from e-health records or IPD meta-analysis: opportunities and challenges. BMJ. 2016;353:i3140. doi:10.1136/bmj.i314027334381
   PubMed Web of Science ®Google Scholar
• KauCY, KwekEB. Can preoperative scoring systems be applied to asian hip fracture populations? Validation of the nottingham hip fracture score (NHFS) and identification of preoperative risk factors in hip fractures. Ann Acad Med Singap. 2014;43(9):448–453.25341629
   PubMed Web of Science ®Google Scholar
• TilkeridisK, VerveridisA, KiziridisG, et al. Validity of nottingham hip fracture score in different health systems and a new modified version validated to the greek population. Med Sci Monit. 2018;24:7665–7672. doi:10.12659/MSM.90994330367027
   PubMed Web of Science ®Google Scholar
• SmithT, PelpolaK, BallM, OngA, MyintPK. Pre-operative indicators for mortality following hip fracture surgery: a systematic review and meta-analysis. Age Ageing. 2014;43(4):464–471. doi:10.1093/ageing/afu06524895018
   PubMed Web of Science ®Google Scholar
• DohertyWJ, StubbsTA, ChaplinA, et al. Prediction of postoperative outcomes following hip fracture surgery: independent validation and recalibration of the nottingham hip fracture score. J Am Med Dir Assoc. 2020;22;663–669.32893139
   PubMed Web of Science ®Google Scholar
• de JongL, van RijckevorselVAJIM, RaatsJW, KlemTMAL, KuijperTM, RoukemaGR. Delirium after hip hemiarthroplasty for proximal femoral fractures in elderly patients: risk factors and clinical outcomes. Clin Interv Aging. 2019;14:427–435. doi:10.2147/CIA.S18976030880924
   PubMed Web of Science ®Google Scholar
• WitloxJ, EurelingsLS, de JongheJF, KalisvaartKJ, EikelenboomP, van GoolWA. Delirium in elderly patients and the risk of postdischarge mortality, institutionalization, and dementia: a meta-analysis. JAMA. 2010;304(4):443–451. doi:10.1001/jama.2010.101320664045
   PubMed Web of Science ®Google Scholar
• KrogsethM, WatneLO, JuliebøV, et al. Delirium is a risk factor for further cognitive decline in cognitively impaired hip fracture patients. Arch Gerontol Geriatr. 2016;64:38–44. doi:10.1016/j.archger.2015.12.00426952375
   PubMed Web of Science ®Google Scholar
• DolanMM, HawkesWG, ZimmermanSI, et al. Delirium on hospital admission in aged hip fracture patients: prediction of mortality and 2-year functional outcomes. J Gerontol a Biol Sci Med Sci. 2000;55(9):M527–34. doi:10.1093/gerona/55.9.M52710995051
   PubMed Web of Science ®Google Scholar
• LamSC, WongYY, WooJ. Reliability and validity of the abbreviated mental test (hong kong version) in residential care homes. J Am Geriatr Soc. 2010;58(11):2255–2257. doi:10.1111/j.1532-5415.2010.03129.x21054326
   PubMed Web of Science ®Google Scholar