The Oswestry Disability Index (ODI) is a widely used questionnaire for measuring the change in pain and function after spine fusion surgery. It consists of 10 questions related to different daily activities and their level of difficulty due to back or leg pain. The scores range from 0 to 100, with higher scores indicating worse outcomes.
Harmony is an AI tool which uses Large Language Models to automatically match items from different questionnaires, even across different languages. You can try Harmony here: https://harmonydata.ac.uk/app. Harmony is also available as a Python and R package.
You may also be interested in Harmony Meta, our new discovery engine that helps you search through vast catalogues of study metadata to identify the variables you need for your research.