[1] Allen KD, Golightly YM. State of the evidence. Curr Opin Rheumatol. 2015;27(3):276-283. doi:10.1097/BOR.0000000000000161
[2] Singh JA, Vessely MB, Harmsen WS, et al. A population-based study of trends in the use of total hip and total knee arthroplasty, 1969-2008. Mayo Clin Proc. 2010;85(10):898-904. doi:10.4065/mcp.2010.0115
[3] Carr AJ, Robertsson O, Graves S, et al. Knee replacement. Lancet. 2012;379(9823):1331-1340. doi:10.1016/S0140-6736(11)60752-6
[4] Khlopas H, Khlopas A, Samuel LT, et al. Current Concepts in Osteoarthritis of the Ankle: Review. Surg Technol Int. 2019;35:280-294.
[5] Bansback, N., Trenaman, L., MacDonald, K.V. et al. An individualized patient-reported outcome measure (PROM) based patient decision aid and surgeon report for patients considering total knee arthroplasty: protocol for a pragmatic randomized controlled trial. BMC Musculoskelet Disord 20, 89 (2019). https://doi.org/10.1186/s12891-019-2434-2
[6] OECD (2019), Health at a Glance 2019: OECD Indicators, OECD Publishing, Paris,
https://doi.org/10.1787/4dd50c09-en. Accessed 10 August 2021
[7] Gianino, M. M., Lenzi, J., Bonaudo, M., Fantini, M., Siliquini, R., Ricciardi, W., & Damiani, G. (2019). Increasing early surgery within 2 days for hip fracture: a time trend in 15 EU countries (2000-13). International journal for quality in health care : journal of the International Society for Quality in Health Care, 31(8), 647–653. https://doi.org/10.1093/intqhc/mzy222
[8] Tew M, Dalziel K, Clarke P, Smith A, Choong PF, Dowsey M. Patient-reported outcome measures (PROMs): can they be used to guide patient-centered care and optimize outcomes in total knee replacement?. Qual Life Res. 2020;29(12):3273-3283. doi:10.1007/s11136-020-02577-4
[9] Weldring T, Smith SM. Patient-Reported Outcomes (PROs) and Patient-Reported Outcome Measures (PROMs). Health Serv Insights. 2013;6:61-68. Published 2013 Aug 4. doi:10.4137/HSI.S11093
[10] Feng Y, Parkin D, Devlin NJ. Assessing the performance of the EQ-VAS in the NHS PROMs programme. Qual Life Res. 2014;23(3):977-989. doi:10.1007/s11136-013-0537-z
[11] Smith AB, Schwarze ML. Translating Patient-Reported Outcomes From Surgical Research to Clinical Care. JAMA Surg. 2017;152(9):811–812. doi:10.1001/jamasurg.2017.1583
[12] Nilsdotter AK, Toksvig-Larsen S, Roos EM. A 5 year prospective study of patient-relevant outcomes after total knee replacement. Osteoarthritis Cartilage. 2009;17(5):601-606. doi:10.1016/j.joca.2008.11.007
[13] Organisation for Economic Co-operation and Development (OECD) (2017) Patient-Reported Indicators Survey (PaRIS). http://www.oecd.org/health/paris/ Accessed 10 August 2021
[14] Nilsdotter AK, Lohmander LS, Klässbo M, Roos EM. Hip disability and osteoarthritis outcome score (HOOS)--validity and responsiveness in total hip replacement. BMC Musculoskelet Disord. 2003;4:10. doi:10.1186/1471-2474-4-10
[15] Registro dell’implantologia Protesica Ortopedica (Registry of Orthopaedic Prostheic Implants) 2020. https://ripo.cineca.it/ Accessed 10 August 2021
[16] Menendez ME, Neuhaus V, van Dijk CN, Ring D. The Elixhauser comorbidity method outperforms the Charlson index in predicting inpatient death after orthopaedic surgery. Clin Orthop Relat Res. 2014;472(9):2878-2886. doi:10.1007/s11999-014-3686-7
[17] Iommi M, Rosa S, Fusaroli M, Rucci P, Fantini MP, Poluzzi E. Modified-Chronic Disease Score (M-CDS): Predicting the individual risk of death using drug prescriptions. PLoS One. 2020;15(10):e0240899. Published 2020 Oct 16. doi:10.1371/journal.pone.0240899
[18] Grassi A, Golinelli D, Tedesco D, et al. Patient-reported outcome measures (PROMs) after elective hip, knee and shoulder arthroplasty: protocol for a prospective cohort study. BMC Musculoskelet Disord. 2019;20(1):374. Published 2019 Aug 15. doi:10.1186/s12891-019-2745-3
[19] von Elm E, Altman DG, Egger M, et al. The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement: guidelines for reporting observational studies. J Clin Epidemiol. 2008;61(4):344-349. doi:10.1016/j.jclinepi.2007.11.008
[20]van de Schoot R, Sijbrandij M, Winter SD, et al. The GRoLTS-Checklist: Guidelines for Reporting on Latent Trajectory Studies, Structural Equation Modeling: A Multidisciplinary Journal, 2017;24:3, 451-467, DOI: 10.1080/10705511.2016.1247646
[21] Nagin, D. S., Odgers, C. L. (2010). Group-based trajectory modeling in clinical research. Ann Rev Clin Psy., 6, 109–138.
[22] An Introduction to Latent Class Growth Analysis and Growth Mixture Modeling Tony Jung and K. A. S. Wickrama. Social and Personality Psychology Compass 2/1 (2008): 302–317, 10.1111/j.1751-9004.2007.00054.x
[23] Andruf, H., Carraro, N., Thompson, A., Gaudreau, P., & Louvet, B. (2009). Latent class growth modelling: A tutorial. Tutorials in Quantitative Methods for Psychology., 5(1), 11–24.
[24] Veroff D, Marr A, Wennberg DE. Enhanced support for shared decision making reduced costs of care for patients with preference-sensitive conditions. Health Aff (Millwood). 2013;32(2):285-293. doi:10.1377/hlthaff.2011.0941
[25] Ramaskandhan J, Rashid A, Kometa S, Siddique MS. Comparison of 5-Year Patient-Reported Outcomes (PROMs) of Total Ankle Replacement (TAR) to Total Knee Replacement (TKR) and Total Hip Replacement (THR). Foot Ankle Int. 2020;41(7):767-774. doi:10.1177/1071100720918880
[26] Franklin PD, Miozzari H, Christofilopoulos P, Hoffmeyer P, Ayers DC, Lübbeke A. Important patient characteristics differ prior to total knee arthroplasty and total hip arthroplasty between Switzerland and the United States. BMC Musculoskelet Disord. 2017;18(1):14. Published 2017 Jan 11. doi:10.1186/s12891-016-1372-5
[27] Kwong E, Neuburger J, Black N. Agreement between retrospectively and contemporaneously collected patient-reported outcome measures (PROMs) in hip and knee replacement patients. Qual Life Res. 2018;27(7):1845-1854. doi:10.1007/s11136-018-1823-6
[28] Jameson SS, Mason JM, Baker PN, Elson DW, Deehan DJ, Reed MR. The impact of body mass index on patient reported outcome measures (PROMs) and complications following primary hip arthroplasty. J Arthroplasty. 2014;29(10):1889-1898. doi:10.1016/j.arth.2014.05.019
[29] Doyle DJ, Goyal A, Bansal P, et al. American Society of Anesthesiologists Classification. [Updated 2021 Oct 9]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2021 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK441940/
[30] Hackett NJ, De Oliveira GS, Jain UK, Kim JY. ASA class is a reliable independent predictor of medical complications and mortality following surgery. Int J Surg. 2015;18:184-190. doi:10.1016/j.ijsu.2015.04.079
[31] Fitz-Henry J. The ASA classification and peri-operative risk. Ann R Coll Surg Engl. 2011;93(3):185-187. doi:10.1308/rcsann.2011.93.3.185a
[32] Bartley EJ, Fillingim RB. Sex differences in pain: a brief review of clinical and experimental findings. Br J Anaesth. 2013;111(1):52-58. doi:10.1093/bja/aet127
[33] Berkley KJ. Sex differences in pain. Behav Brain Sci. 1997;20(3):371-513. doi:10.1017/s0140525x97221485
[34] Somers TJ, Wren AA, Keefe FJ. Understanding chronic pain in older adults: abdominal fat is where it is at. Pain. 2011;152(1):8-9. doi:10.1016/j.pain.2010.09.022
[35] Devasenapathy N, Maddison R, Malhotra R, Zodepy S, Sharma S, Belavy DL. Preoperative Quadriceps Muscle Strength and Functional Ability Predict Performance-Based Outcomes 6 Months After Total Knee Arthroplasty: A Systematic Review. Phys Ther. 2019;99(1):46-61. doi:10.1093/ptj/pzy118
[36] Hernández C, Díaz-Heredia J, Berraquero ML, Crespo P, Loza E, Ruiz Ibán MÁ. Pre-operative Predictive Factors of Post-operative Pain in Patients With Hip or Knee Arthroplasty: A Systematic Review. Reumatol Clin. 2015;11(6):361-380. doi:10.1016/j.reuma.2014.12.008
[37] Kennedy DM, Stratford PW, Riddle DL, Hanna SE, Gollish JD. Assessing recovery and establishing prognosis following total knee arthroplasty. Phys Ther. 2008;88(1):22-32. doi:10.2522/ptj.20070051
[38] Rucker D, Warkentin LM, Huynh H, Khadaroo RG. Sex differences in the treatment and outcome of emergency general surgery. PLoS One. 2019;14(11):e0224278. Published 2019 Nov 4. doi:10.1371/journal.pone.0224278