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Titel: Differences across health care systems in outcome and cost-utility of surgical and conservative treatment of chronic low back pain : a study protocol
Autor/-in: Melloh, Markus
Röder, Christoph
Elfering, Achim
Theis, Jean-Claude
Müller, Urs
Staub, Lukas P.
Aghayev, Emin
Zweig, Thomas
Barz, Thomas
Kohlmann, Thomas
Wieser, Simon
Jüni, Peter
Zwahlen, Marcel
Erschienen in: BMC musculoskeletal disorders
Band(Heft): 9
Heft: 81
Verlag / Hrsg. Institution: BioMed Central
Erscheinungsdatum: 2008
Lizenz (gemäss Verlagsvertrag): CC BY 2.0: Namensnennung 2.0 Generic
Art der Begutachtung: Peer review (Publikation)
Sprache: Englisch
Schlagwörter: Chronic disease; Delivery of health care; Health care cost; Human; Low back pain; New Zealand; Outcome assessment; Switzerland; Cross-cultural comparison; Prospective study; Cost-utility; Study protocol
Fachgebiet (DDC): 617.5: Orthopädische Chirurgie
Zusammenfassung: Background: There is little evidence on differences across health care systems in choice and outcome of the treatment of chronic low back pain (CLBP) with spinal surgery and conservative treatment as the main options. At least six randomised controlled trials comparing these two options have been performed; they show conflicting results without clear-cut evidence for superior effectiveness of any of the evaluated interventions and could not address whether treatment effect varied across patient subgroups. Cost-utility analyses display inconsistent results when comparing surgical and conservative treatment of CLBP. Due to its higher feasibility, we chose to conduct a prospective observational cohort study. Methods: This study aims to examine if 1. Differences across health care systems result in different treatment outcomes of surgical and conservative treatment of CLBP 2. Patient characteristics (work-related, psychological factors, etc.) and co-interventions (physiotherapy, cognitive behavioural therapy, return-to-work programs, etc.) modify the Outcome of treatment for CLBP 3. Cost-utility in terms of quality-adjusted life years differs between surgical and conservative treatment of CLBP. This study will recruit 1000 patients from orthopaedic spine units, rehabilitation centres, and pain clinics in Switzerland and New Zealand. Effectiveness will be measured by the Oswestry Disability Index (ODI) at baseline and after six months. The change in ODI will be the primary endpoint of this study. Multiple linear regression models will be used, with the change in ODI from baseline to six months as the dependent variable and the type of health care system, type of treatment, Patient characteristics, and co-interventions as independent variables. Interactions will be incorporated between type of treatment and different co-interventions and patient characteristics. Cost-utility will be measured with an index based on EQol-5D in combination with cost data. Conclusion: This study will provide evidence if differences across health care systems in the outcome of treatment of CLBP exist. It will classify patients with CLBP into different clinical subgroups and help to identify specific target groups who might benefit from specific surgical or conservative interventions. Furthermore, cost-utility differences will be identified for different groups of patients with CLBP. Main results of this study should be replicated in future studies on CLBP.
Departement: School of Management and Law
Organisationseinheit: Winterthurer Institut für Gesundheitsökonomie (WIG)
Publikationstyp: Beitrag in wissenschaftlicher Zeitschrift
DOI: 10.1186/1471-2474-9-81
10.21256/zhaw-3962
ISSN: 1471-2474
URI: https://digitalcollection.zhaw.ch/handle/11475/9939
Enthalten in den Sammlungen:Publikationen School of Management and Law

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