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Do psychological and behavioral factors classified by the West Haven-Yale Multidimensional Pain Inventory (Swedish version) predict the early clinical course of low back pain in patients receiving chiropractic care?
Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.ORCID iD: 0000-0002-2162-7537
Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.
Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.
Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden; Research Department, Spine Center of Southern Denmark, Hospital Lillebaelt, Institute of Regional Health Research, Middelfart, Denmark.
2016 (English)In: BMC Musculoskeletal Disorders, ISSN 1471-2474, E-ISSN 1471-2474, Vol. 17, no 1, article id 75Article in journal (Refereed) Published
Abstract [en]

Background: To investigate if psychological and behavioral factors (as determined by the Swedish version of the West Haven-Yale Multidimensional Pain Inventory, MPI-S) can predict the early clinical course of Low Back Pain (LBP).

Methods: MPI-S data from patients (18–65 years of age) seeking chiropractic care for recurrent and persistent LBP were collected at the 1st visit. A follow-up questionnaire was administered at the 4th visit. The predictive value of the MPI-S subgroups Adaptive Copers (AC), Interpersonally Distressed (ID) and Dysfunctional (DYS) was calculated against the subjective improvement at the 4th visit and clinically relevant difference in pain intensity between the 1st and 4th visit.

Results: Of the 666 subjects who were included at the 1st visit, 329 completed the questionnaire at the 4th visit. A total of 64.7 % (AC), 68.0 % (ID) and 71.3 % (DYS) reported a definite improvement. The chance of “definite improvement”, expressed as relative risk (95 % CI) with the AC group as reference, was 1.05 (.87–1.27) for the ID and 1.10 (.93–1.31) for the DYS groups, respectively. The DYS and ID groups reported higher values in pain intensity both at the 1st and the 4th visit. The proportion of subjects who reported an improvement in pain intensity of 30 % or more (clinically relevant) were 63.5 % AC, 72.0 % ID and 63.2 % DYS. Expressed as relative risk (95 % CI) with the AC group as reference, this corresponded to 1.26 (.91–1.76) for the ID and 1.09 (.78–1.51) for the DYS groups, respectively.

Conclusions: The MPI-S instrument could not predict the early clinical course of recurrent and persistent LBP in this sample of chiropractic patients.

Place, publisher, year, edition, pages
BioMed Central, 2016. Vol. 17, no 1, article id 75
Keyword [en]
Low back pain, MPI-S, Psychological and behavioral factors, Clinical course, Chiropractic
National Category
Orthopaedics Rheumatology and Autoimmunity
Identifiers
URN: urn:nbn:se:oru:diva-66157DOI: 10.1186/s12891-016-0933-yISI: 000369969300002PubMedID: 26867930Scopus ID: 2-s2.0-84958162489OAI: oai:DiVA.org:oru-66157DiVA, id: diva2:1193371
Note

Funding Agencies:

Institute for Chiropractic and Neuromusculoskeletal Research  

European Chiropractors' Union Research Council  

Danish Chiropractic Research Foundation 

Available from: 2018-03-26 Created: 2018-03-26 Last updated: 2018-03-28Bibliographically approved

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Bodin, Lennart

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