Responsiveness of the Patient-Reported Outcomes Measurement Information System (PROMIS), Neck Disability Index (NDI) and Oswestry Disability Index (ODI) instruments in patients with spinal disorders

摘要

BACKGROUND CONTEXT: The Patient-Reported Outcomes Information System (PROMIS) instruments are an important advancement in the use of PROs, but need to be evaluated with longitudinal data to determine whether they are responsive to change in specific clinical populations.