- Altman DG, Lausen B, Sauerbrei W, Schumacher M. Dangers of using “optimal” cutpoints in the evaluation of prognostic factors. J Natl Cancer Inst 1994; 86 (11): 829–35.
- Birdsall PD, Hayes JH, Cleary R, Pinder IM, Moran CG, Sher JL. Health outcome after total knee replacement in the very elderly. J Bone Joint Surg (Br) 1999; 81 (4): 660–2.
- Brenner H, Blettner M. Controlling for continuous confounders in epidemiologic research. Epidemiology 1997; 8: 429–34.
- Burström K, Johannesson M, Diderichsen F. A comparison of individual and social time trade-off values for health states in the general population. Health Policy 2006; 76 (3): 359–70.
- Charnley J. The long-term results of low-friction arthroplasty of the hip performed as a primary intervention. J Bone Joint Surg (Br) 1972; 54 (1): 61–76.
- Cushnaghan J, Coggon D, Reading I, Croft P, Byng P, Cox K, et al. Long-term outcome following total hip arthroplasty: A controlled longitudinal study. Arthritis Care Res 2007; 57 (8): 1375–80.
- Ethgen O, Bruyère O, Richy F, Dardennes C, Reginster J-Y. Health-related quality of life in total hip and total knee arthroplasty. A qualitative and systematic review of the literature. J Bone Joint Surg (Am) 2004; 86 (5): 963–74.
- EuroQol Group. EuroQol—a new facility for the measurement of health-related quality of life. Health Policy 1990; 16 (3): 199–208.
- Grosse Frie K, van der Meulen J, Black N. Relationship between patients’ reports of complications and symptoms, disability and quality of life after surgery. Br J Surg 2012; 99 (8): 1156–63.
- Harrell FE. Regression modeling strategies: with applications to linear models, logistic regression, and survival analysis. New York: Springer; 2001.
- Harrell J F E. rms: Regression Modeling Strategies (Internet). 2013. Available from: http://CRAN.R-project.org/package=rms
- Hilsenbeck SG, Clark GM. Practical p-value adjustment for optimally selected cutpoints. Stat Med 1996; 15 (1): 103–12.
- Jones CA, Voaklander DC, Johnston DW, Suarez-Almazor ME. The effect of age on pain, function, and quality of life after total hip and knee arthroplasty. Arch Intern Med 2001; 161 (3): 454–60.
- Judge A, Arden NK, Batra RN, Thomas G, Beard D, Javaid MK, et al. The association of patient characteristics and surgical variables on symptoms of pain and function over 5 years following primary hip-replacement surgery: a prospective cohort study. BMJ Open (Internet). 2013 Jan 1 [cited 2013 May 22];3(3). Available from: http://bmjopen.bmj.com/content/3/3/e002453
- Kärrholm J. The Swedish Hip Arthroplasty Register (www.shpr.se). Acta Orthop 2010; 81: 3–4.
- Keurentjes JC, Fiocco M, Nelissen RG. Willingness to undergo surgery again validated clinically important differences in health-related quality of life after total hip replacement or total knee replacement surgery. J Clin Epidemiol 2013; 67: 114-20.
- Lagakos SW. Effects of mismodelling and mismeasuring explanatory variables on tests of their association with a response variable. Stat Med 1988; 7 (1-2): 257–74.
- Lausen B, Schumacher M. Evaluating the effect of optimized cutoff values in the assessment of prognostic factors. Comput Stat Data Anal 1996; 21 (3): 307–26.
- Lawless BM, Greene M, Slover J, Kwon Y-M, Malchau H. Does age or bilateral disease influence the value of hip arthroplasty? Clin Orthop 2012; (470) (4): 1073–8.
- McGuigan FX, Hozack WJ, Moriarty L, Eng K, Rothman RH. Predicting quality-of-life outcomes following total joint arthroplasty: Limitations of the SF-36 health status questionnaire. J Arthroplasty 1995; 10 (6): 742–7.
- Miller R, Siegmund D. Maximally selected chi square statistics. Biometrics 1982; 38: 1011–6.
- Ng CY, Ballantyne JA, Brenkel IJ . Quality of life and functional outcome after primary total hip replacement A five-year follow-up. J Bone Joint Surg (Br) 2007; 89 (7): 868–73.
- Pennington M, Grieve R, Sekhon JS, Gregg P, Black N, van der Meulen JH. Cemented, cementless, and hybrid prostheses for total hip replacement: cost effectiveness analysis. BMJ 2013; 346: f1026.
- Quintana JM, Escobar A, Aguirre U, Lafuente I, Arenaza JC. Predictors of health-related quality-of-life change after total hip arthroplasty. Clin Orthop 2009; (467) (11): 2886–94.
- Rissanen P, Aro S, Sintonen H, Slätis P, Paavolainen P. Quality of life and functional ability in hip and knee replacements: A prospective study. Qual Life Res 1996; 5 (1): 56–64.
- Rolfson O, Kärrholm J, Dahlberg LE, Garellick G. Patient-reported outcomes in the Swedish Hip Arthroplasty Register: Results of a nationwide prospective observational study. J Bone Joint Surg (Br) 2011; 93 (7): 867–75.
- Royston P, Altman DG, Sauerbrei W. Dichotomizing continuous predictors in multiple regression: a bad idea. Stat Med 2006; 25 (1): 127–41.
- Santaguida PL, Hawker GA, Hudak PL, Glazier R, Mahomed NN, Kreder HJ, et al. Patient characteristics affecting the prognosis of total hip and knee joint arthroplasty: a systematic review. Can J Surg 2008; 51 (6): 428–36.
- Simm A, Nass N, Bartling B, Hofmann B, Silber R-E, Navarrete Santos A. Potential biomarkers of ageing. Biol Chem 2008; 389 (3): 257–65.
- Team RC. R: A language and environment for statistical computing (Internet). Vienna, Austria; 2013. Available from: http://www.R-project.org/
- Wickham H. ggplot2: elegant graphics for data analysis (Internet). Springer New York; 2009. Available from: http://had.co.nz/ggplot2/book
- Williams JS. Assessing the suitability of fractional polynomial methods in health services research: a perspective on the categorization epidemic. J Health Serv Res Policy 2011; 16 (3): 147–52.
- Xie Y. Dynamic documents with R and Knitr. New York, NY: CRC Press; 2013.
Acta Orthopaedica
Volume 85, 2014 - Issue 3
Open access
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Hip and femur
Age- and health-related quality of life after total hip replacement
Decreasing gains in patients above 70 years of age
Max GordonThe Swedish Hip Arthroplasty Register,
Gothenburg;Department of Clinical Sciences at Danderyd Hospital,
Karolinska Institute, Stockholm, SwedenCorrespondence[email protected]
, Meridith GreeneThe Swedish Hip Arthroplasty Register,
Gothenburg;Harris Orthopaedic Laboratory,
Massachusetts General Hospital, Boston, MA, USA;Department of Orthopaedics,
Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
, Paolo FrumentoInstitute of Environmental Medicine (IMM),
Karolinska Institute, Stockholm
, Ola RolfsonThe Swedish Hip Arthroplasty Register,
Gothenburg;Department of Orthopaedics,
Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
, Göran GarellickThe Swedish Hip Arthroplasty Register,
Gothenburg;Department of Orthopaedics,
Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
& André StarkDepartment of Clinical Sciences at Danderyd Hospital,
Karolinska Institute, Stockholm, Sweden
Pages 244-249
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Received 05 Nov 2013, Accepted 24 Feb 2014, Published online: 30 Apr 2014
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