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A comparison of the EQ-5D and SF-6D across seven patient groups

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  • John Brazier

    (Sheffield Health Economics Group, University of Sheffield, Sheffield, UK)

  • Jennifer Roberts

    (Sheffield Health Economics Group, University of Sheffield, Sheffield, UK)

  • Aki Tsuchiya
  • Jan Busschbach

Abstract

As the number of preference-based instruments grows, it becomes increasingly important to compare different preference-based measures of health in order to inform an important debate on the choice of instrument. This paper presents a comparison of two of them, the EQ-5D and the SF-6D (recently developed from the SF-36) across seven patient|population groups (chronic obstructive airways disease, osteoarthritis, irritable bowel syndrome, lower back pain, leg ulcers, post menopausal women and elderly). The mean SF-6D index value was found to exceed the EQ-5D by 0.045 and the intraclass correlation coefficient between them was 0.51. Whilst this convergence lends some support for the validity of these measures, the modest difference at the aggregate level masks more significant differences in agreement across the patient groups and over severity of illness, with the SF-6D having a smaller range and lower variance in values. There is evidence for floor effects in the SF-6D and ceiling effects in the EQ-5D. These discrepancies arise from differences in their health state classifications and the methods used to value them. Further research is required to fully understand the respective roles of the descriptive systems and the valuation methods and to examine the implications for estimates of the impact of health care interventions. Copyright © 2004 John Wiley & Sons, Ltd.

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File URL: http://hdl.handle.net/10.1002/hec.866
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Bibliographic Info

Article provided by John Wiley & Sons, Ltd. in its journal Health Economics.

Volume (Year): 13 (2004)
Issue (Month): 9 ()
Pages: 873-884

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Handle: RePEc:wly:hlthec:v:13:y:2004:i:9:p:873-884

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Web page: http://www3.interscience.wiley.com/cgi-bin/jhome/5749

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  1. Tsuchiya, Aki & Brazier, John & Roberts, Jennifer, 2006. "Comparison of valuation methods used to generate the EQ-5D and the SF-6D value sets," Journal of Health Economics, Elsevier, Elsevier, vol. 25(2), pages 334-346, March.
  2. Aki Tsuchiya & Shunya Ikeda & Naoki Ikegami & Shuzo Nishimura & Ikuro Sakai & Takashi Fukuda & Chisato Hamashima & Akinori Hisashige & Makoto Tamura, 2002. "Estimating an EQ-5D population value set: the case of Japan," Health Economics, John Wiley & Sons, Ltd., John Wiley & Sons, Ltd., vol. 11(4), pages 341-353.
  3. John Brazier & Mark Deverill, 1999. "A checklist for judging preference-based measures of health related quality of life: Learning from psychometrics," Health Economics, John Wiley & Sons, Ltd., John Wiley & Sons, Ltd., vol. 8(1), pages 41-51.
  4. Brazier, John & Roberts, Jennifer & Deverill, Mark, 2002. "The estimation of a preference-based measure of health from the SF-36," Journal of Health Economics, Elsevier, Elsevier, vol. 21(2), pages 271-292, March.
  5. Bleichrodt, Han, 2001. " Probability Weighting in Choice under Risk: An Empirical Test," Journal of Risk and Uncertainty, Springer, Springer, vol. 23(2), pages 185-98, September.
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Cited by:
  1. Tsuchiya, Aki & Brazier, John & Roberts, Jennifer, 2006. "Comparison of valuation methods used to generate the EQ-5D and the SF-6D value sets," Journal of Health Economics, Elsevier, Elsevier, vol. 25(2), pages 334-346, March.
  2. Garry Barton & Tracey Sach & Michael Doherty & Anthony Avery & Claire Jenkinson & Kenneth Muir, 2008. "An assessment of the discriminative ability of the EQ-5D index , SF-6D, and EQ VAS, using sociodemographic factors and clinical conditions," The European Journal of Health Economics, Springer, Springer, vol. 9(3), pages 237-249, August.
  3. Lene Lunde, 2013. "Can EQ-5D and 15D be used interchangeably in economic evaluations? Assessing quality of life in post-stroke patients," The European Journal of Health Economics, Springer, Springer, vol. 14(3), pages 539-550, June.
  4. Marieke Krol & Elly Stolk & Werner Brouwer, 2014. "Predicting productivity based on EQ-5D: an explorative study," The European Journal of Health Economics, Springer, Springer, vol. 15(5), pages 465-475, June.
  5. L. M. Lamers & C. A. M. Bouwmans & A. van Straten & M. C. H. Donker & L. Hakkaart, 2006. "Comparison of EQ-5D and SF-6D utilities in mental health patients," Health Economics, John Wiley & Sons, Ltd., John Wiley & Sons, Ltd., vol. 15(11), pages 1229-1236.
  6. Nick Kontodimopoulos & Michalis Argiriou & Nikolaos Theakos & Dimitris Niakas, 2011. "The impact of disease severity on EQ-5D and SF-6D utility discrepancies in chronic heart failure," The European Journal of Health Economics, Springer, Springer, vol. 12(4), pages 383-391, August.
  7. Raymond Oppong & Billingsley Kaambwa & Jacqueline Nuttall & Kerenza Hood & Richard Smith & Joanna Coast, 2013. "The impact of using different tariffs to value EQ-5D health state descriptions: an example from a study of acute cough/lower respiratory tract infections in seven countries," The European Journal of Health Economics, Springer, Springer, vol. 14(2), pages 197-209, April.
  8. Rowen, D & Brazier, J & Roberts, J, 2008. "Mapping SF-36 onto the EQ-5D index: how reliable is the relationship?," MPRA Paper 29831, University Library of Munich, Germany.
  9. Janelle Seymour & Paul McNamee & Anthony Scott & Michela Tinelli, 2010. "Shedding new light onto the ceiling and floor? A quantile regression approach to compare EQ-5D and SF-6D responses," Health Economics, John Wiley & Sons, Ltd., John Wiley & Sons, Ltd., vol. 19(6), pages 683-696.
  10. Rowen, D & Brazier, J & Tsuchiya, A & Hernández, M & Ibbotson, R, 2009. "The simultaneous valuation of states from multiple instruments using ranking and VAS data: methods and preliminary results," MPRA Paper 29841, University Library of Munich, Germany.
  11. Brazier, J, 2005. "Current state of the art in preference-based measures of health and avenues for further research," MPRA Paper 29762, University Library of Munich, Germany.
  12. Billingsley Kaambwa & Lucinda Billingham & Stirling Bryan, 2013. "Mapping utility scores from the Barthel index," The European Journal of Health Economics, Springer, Springer, vol. 14(2), pages 231-241, April.
  13. Silvia Garrido & Ildefonso Méndez & José-María Abellán, 2013. "Analysing the Simultaneous Relationship Between Life Satisfaction and Health-Related Quality of Life," Journal of Happiness Studies, Springer, Springer, vol. 14(6), pages 1813-1838, December.
  14. Brazier, JE & Yang, Y & Tsuchiya, A, 2008. "A review of studies mapping (or cross walking) from non-preference based measures of health to generic preference-based measures," MPRA Paper 29808, University Library of Munich, Germany.
  15. Richard Grieve & Marina Grishchenko & John Cairns, 2009. "SF-6D versus EQ-5D: reasons for differences in utility scores and impact on reported cost-utility," The European Journal of Health Economics, Springer, Springer, vol. 10(1), pages 15-23, February.
  16. Michela Tinelli & Mandy Ryan & Christine Bond & Anthony Scott, 2013. "Valuing Benefits to Inform a Clinical Trial in Pharmacy," PharmacoEconomics, Springer, Springer, vol. 31(2), pages 163-171, February.
  17. Garry R. Barton & Tracey H. Sach & Anthony J. Avery & Claire Jenkinson & Michael Doherty & David K. Whynes & Kenneth R. Muir, 2008. "A comparison of the performance of the EQ-5D and SF-6D for individuals aged > 45 years," Health Economics, John Wiley & Sons, Ltd., John Wiley & Sons, Ltd., vol. 17(7), pages 815-832.
  18. D. Stratmann-Schoene & T. Kuehn & R. Kreienberg & R. Leidl, 2006. "A preference-based index for the SF-12," Health Economics, John Wiley & Sons, Ltd., John Wiley & Sons, Ltd., vol. 15(6), pages 553-564.
  19. Louis Matza & Karen Chung & Kate Brunt & John Brazier & Ada Braun & Brooke Currie & Andrew Palsgrove & Evan Davies & Jean-Jacques Body, 2014. "Health state utilities for skeletal-related events secondary to bone metastases," The European Journal of Health Economics, Springer, Springer, vol. 15(1), pages 7-18, January.
  20. Cecilia Quercioli & Gabriele Messina & Emanuela Barbini & Giovanni Carriero & Mara Fanì & Nicola Nante, 2009. "Importance of sociodemographic and morbidity aspects in measuring health-related quality of life: performances of three tools," The European Journal of Health Economics, Springer, Springer, vol. 10(4), pages 389-397, October.
  21. Richard Edlin & Christopher McCabe & David Meads, 2013. "Assignment errors and the valuation of EQ-5D health states-do responses mean what we think they mean?," Working Papers, Academic Unit of Health Economics, Leeds Institute of Health Sciences, University of Leeds 1304, Academic Unit of Health Economics, Leeds Institute of Health Sciences, University of Leeds.
  22. Schulz, Torben & Niesing, Jan & Stewart, Roy E. & Westerhuis, Ralf & Hagedoorn, Mariet & Ploeg, Rutger J. & Homan van der Heide, Jaap J. & Ranchor, Adelita V., 2012. "The role of personal characteristics in the relationship between health and psychological distress among kidney transplant recipients," Social Science & Medicine, Elsevier, Elsevier, vol. 75(8), pages 1547-1554.
  23. Stavros Petrou & Christine Hockley, 2005. "An investigation into the empirical validity of the EQ-5D and SF-6D based on hypothetical preferences in a general population," Health Economics, John Wiley & Sons, Ltd., John Wiley & Sons, Ltd., vol. 14(11), pages 1169-1189.
  24. Nick Kontodimopoulos & Evelina Pappa & Zinovia Chadjiapostolou & Eleni Arvanitaki & Angelos Papadopoulos & Dimitris Niakas, 2012. "Comparing the sensitivity of EQ-5D, SF-6D and 15D utilities to the specific effect of diabetic complications," The European Journal of Health Economics, Springer, Springer, vol. 13(1), pages 111-120, February.
  25. Alan Brennan & Roberta Ara & Raimund Sterz & Bernd Matiba & Rito Bergemann, 2006. "Assessment of clinical and economic benefits of weight management with sibutramine in general practice in Germany," The European Journal of Health Economics, Springer, Springer, vol. 7(4), pages 276-284, December.

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