Journal of clinical epidemiology
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Randomized Controlled Trial
Quebec Back Pain Disability Scale was responsive and showed reasonable interpretability after a multidisciplinary treatment.
To investigate responsiveness and interpretability of the Quebec Back Pain Disability Scale. ⋯ This study proposes values for responsiveness and interpretability indicators for patients with chronic low back pain referred for multidisciplinary treatment. The baseline score and the way to cluster patients with regard to this score have to be taken into account while interpreting the score change after treatment.