• J Manipulative Physiol Ther · May 2005

    The Bournemouth Questionnaire: can it be used to monitor and predict treatment outcome in chiropractic patients with persistent low back pain?

    • Kristian Larsen and Charlotte Leboeuf-Yde.
    • The Musculoskeletal Research Unit, Orthopedic Department, Denmark. fekl2004@msn.com
    • J Manipulative Physiol Ther. 2005 May 1; 28 (4): 219-27.

    ObjectiveTo investigate the Bournemouth Questionnaire (BQ) as a baseline, monitoring of progress, and prognostic instrument in chiropractic patients with persistent low back pain (LBP).Study DesignPredictive and concurrent validation study. STUDY PARTICIPANTS AND SETTING: One hundred fifteen Norwegian chiropractors collected prospective data on 875 patients with persistent LBP, defined as LBP for at least 2 weeks at baseline and a minimum of 30 days totaling within the preceding year.MethodsData collection took place at first consultation, fourth visit, and 3 months using the BQ, the revised Oswestry questionnaire, and a 10-point pain box scale. Follow-up at 12 months included the BQ, Oswestry questionnaire, and additional questions on the number of days with LBP and the number of days off work in the past year.Data AnalysisFrequency of reporting of each 7 items in the BQ at baseline was identified as median value with 10th and 90th percentiles. Concurrent analyses of the 2 questionnaires were made at the 4 points in time with calculation of mean differences with limits of agreement together with Bland-Altman plots. Logistic regression was used to identify and compare the predictive values of the questionnaires and to test the relevance of each individual item in the BQ.ResultsThe median baseline values of the 7 items in the BQ ranged from 2 to 5. The 2 questionnaires did not agree on patients' status, and mean differences between the Oswestry questionnaire and the BQ were largest when patients reported higher scores. The predictive values for the 2 questionnaires were low, with no significant difference between the 2. The predictive value of the BQ could be improved by removing most of the 7 items. Certain items can predict specific outcomes.ConclusionsThe BQ is not a useful instrument to identify baseline status, monitor progress, or predict the 1-year progress in chiropractic patients having persistent LBP. However, certain individual items are useful to predict specific outcomes.

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