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OP0098-HPR Structure and Importance of Patients' Reasons for Treatment Choices in HIP and Knee Osteoarthritis: a Concept Mapping Study
  1. E.M.H. Selten1,
  2. R. Geenen2,
  3. W.H. van der Laan3,
  4. R.G. van der Meulen-Dilling4,
  5. H.J. Schers5,
  6. M.W. Nijhof6,
  7. C.H. van den Ende1,
  8. J.E. Vriezekolk1
  1. 1Department of Rheumatology, Sint Maartenskliniek, Nijmegen
  2. 2Department of Clinical and Health Psychology, Utrecht University, Utrecht
  3. 3Department of Rheumatology, Sint Maartenskliniek, Woerden
  4. 4Physical Therapy and Manual Therapy Velperweg Partnership, Arnhem
  5. 5Department of Primary and Community Care, Radboud University Medical Centre
  6. 6Department of Orthopedics, Sint Maartenskliniek, Nijmegen, Netherlands

Abstract

Background To improve patients' allocation to non-surgical treatment options of hip and knee osteoarthritis (OA)1,2, in-depth understanding of reasons underlying patients' treatment choices is required. The current study adopted a concept mapping method3 to thematically analyse and prioritise reasons for treatment choice from a patients' perspective.

Objectives To identify and structure the reasons for treatment choices perceived by patients with hip or knee OA, and to clarify the priority of these reasons for patients when making a treatment decision.

Methods Multiple reasons for treatment choices of hip and knee OA were identified using in-depth interviews. In consensus meetings, 51 representative reasons were derived from the interviews by researchers, medical specialists and health professionals. Subsequently, 36 patients sorted the 51 reasons in two card-sorting tasks: one based on similarity of reasons and one based on importance of reasons. The results of the first card-sorting task provided input for the hierarchical cluster analysis (squared Euclidian distances, Ward's method). In the second card-sorting task, patients ranked the importance of the reasons in 5 piles of equal size ranging from “least important” (“1”) to “most important” (“5”) when considering a treatment for OA. Mean scores and standard deviations were calculated for each cluster.

Results The hierarchical structure of reasons for treatment choices in OA (Figure 1) showed a highest-order distinction between two clusters: “barriers” (subdivided into “context” and “disadvantages”) and “outcome” (subdivided into “treatment” and “personal life”). At the lowest level, 17 clusters were identified including the 51 reasons. From the lower-order clusters, the cluster “physical functioning” was assessed as most important (M=3.88, SD=1.13) and the cluster “indifference” (M=1.77, SD=1.06) as least important when making a treatment decision for hip or knee OA.

Conclusions According to patients with hip and knee OA, reasons to choose a specific treatment include external and personal barriers and expectations regarding the outcome of treatment and personal life. The structured overview of reasons can be used by healthcare providers when counselling patients to support informed shared-decision making. Ultimately this may lead to optimized treatment choices. We will use these results as input for the development of a questionnaire assessing patients' individual considerations to choose specific treatment options.

References

  1. McHugh, G.A., Luker, K.A., Campbell, M., Kay, P.R., & Silman, A.J. (2007). A longitudinal study exploring pain control, treatment and service provision for individuals with end-stage lower limb osteoarthritis. Rheumatology 46(4), 631-637.

  2. Nilsdotter, A.K., Toksvig-Larsen, S. & Roos, E.M. (2009) Knee arthroplasty: are patients' expectations fulfilled? A prospective study of pain and function in 102 patients with 5-year follow-up. Acta Orthopaedica 80(1), 55-61.

  3. Trochim, W.M.K. (1989). An introduction to concept mapping for planning and evaluation. Evaluation and Program Planning, 12(1), 1-16.

Disclosure of Interest None declared

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