Narrative review reveals persistent validity of the Oswestry Disability Index in spinal conditions, highlighting the need to evaluate its responsiveness to meaningful clinical change.
The ODI remains a valid and vigorous measure and has been a worthwhile outcome measure. The process of using the ODI is reviewed and should be the subject of further research. The receiver operating characteristics should be explored in a population with higher self-report disabilities. The behavior of the instrument is incompletely understood, particularly in sensitivity to real change.
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Fairbank et al. (2000) studied this question.
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