Clinical utility of the Oswestry Disability Index for measuring the function of patients with low back pain

We are writing in response to Dr Darrel Brodke et al.'s article "Oswestry Disability Index: a Psychometric Analysis with 1,610 Patients," The Spine Journal 2017;17:321–327. The purpose of the paper was to investigate the psychometric properties, performance, and clinical applicability of the Oswestry Disability Index (ODI) for assessing function in patients with low back pain using Rasch Item Response Theory methods.

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