The Oswestry Disability Index (ODI) is an index derived from the Oswestry Low Back Pain Questionnaire used by clinicians and researchers to quantify disability for low back pain. Zero is equated with no disability and 100 is the maximum disability possible.
Disability
Kurtzke’s Expanded Disability Status Scale (EDSS)
The Expanded Disability Status Scale (EDSS), an accepted method of quantifying disability in Multiple Sclerosis (MS) consists of an eight-function system scale monitoring motor, sensory, cerebellar, brain stem, visual, bowel and bladder, pyramidal and other functions.