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Cost-effectiveness of neck-specific exercise with or without a behavioral approach versus physical activity prescription in the treatment of chronic whiplash-associated disorders: Analyses of a randomized clinical trial
Division of Physiotherapy, Department of Medical and Health Sciences, Linköping University, 58183 Linköping, Sweden.;Cty Council Ostergotland, Dept Rehabil & Med, Rehab Vast..
Division of Physiotherapy, Department of Medical and Health Sciences, Linköping University, 58183 Linköping, Sweden.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, Centrum för klinisk forskning i Sörmland (CKFD). Division of Physiotherapy, Department of Medical and Health Sciences, Linköping University, 58183 Linköping, Sweden.ORCID iD: 0000-0003-2492-0306
Karolinska Univ Hosp, Allied Hlth Professionals Funct, Huddinge, Sweden.;Karolinska Inst, Div Physiotherapy, Dept Neurobiol Care Sci & Soc, Huddinge, Sweden..
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2017 (English)In: Medicine (Baltimore, Md.), ISSN 0025-7974, E-ISSN 1536-5964, Vol. 96, no 25, article id e7274Article in journal (Refereed) Published
Abstract [en]

Background: Fifty percent of people injured by whiplash still report neck pain after 1 year and costs associated with whiplash associated disorders (WAD) are mostly attributed to health service and sick-leave costs in chronic conditions. With increasing health care expenditures the economic impact of interventions needs to be considered.

Objective: To analyze the cost-effectiveness of physiotherapist-led neck-specific exercise without (NSE) or with a behavioral approach (NSEB), or prescription of physical activity (PPA) in chronic WAD, grade 2 to 3.

Methods: This is a secondary cost-effectiveness analysis of a multicenter randomized clinical trial of 216 participants with chronic WAD grade 2 to 3. The interventions were physiotherapist-led neck-specific exercise without or with a behavioral approach, or prescription of physical activity for 12 weeks. Incremental cost-effectiveness ratios (ICERs) were determined after 1 year and bootstrapped cost-effectiveness planes and sensitivity analyses of physiotherapy visits were performed. Health care and production loss costs were included and quality-adjusted life years (QALYs) were estimated, using the Euroqol-5D questionnaire. Comparisons with the Short Form-6D, and neck disability index (NDI) were also made.

Results: The 1-year follow-up was completed by 170 participants (79%). Both physiotherapist-led groups improved in health related quality of life. The intervention cost alone, per quality-adjusted life year (QALY) gain in the NSE group was US$12,067. A trend for higher QALY gains were observed in the NSEB group but the costs were also higher. The ICERs varied depending on questionnaire used, but the addition of a behavioral approach to neck-specific exercise alone was not cost-effective from a societal perspective (ICER primary outcome $127,800 [95% confidence interval [CI], 37,816-711,302]). The sensitivity analyses confirmed the results. The prescription of physical activity did not result in any QALY gain and the societal costs were not lower.

Conclusion: Neck-specific exercise was cost-effective from a societal perspective in the treatment of chronic WAD compared with the other exercise interventions. ICERS varied depending on health-related quality of life questionnaires used, but the addition of a behavioral approach was not cost-effective from a societal perspective. The prescription of physical activity did not result in any QALY gain and was thus not considered a relevant option.

Place, publisher, year, edition, pages
2017. Vol. 96, no 25, article id e7274
Keywords [en]
chronic, cost, cost-effectiveness, exercise, physiotherapy, rehabilitation, whiplash
National Category
Physiotherapy
Identifiers
URN: urn:nbn:se:uu:diva-329700DOI: 10.1097/MD.0000000000007274ISI: 000404116900065OAI: oai:DiVA.org:uu-329700DiVA, id: diva2:1148052
Funder
Swedish Research CouncilRegion ÖstergötlandAvailable from: 2017-10-09 Created: 2017-10-09 Last updated: 2017-10-09Bibliographically approved

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