COSIDI stand for Client Oriented Scale of Improvement for Dizziness and Imbalance, and it is based on validated client-oriented scales for hearing aids (COSI) and for tinnitus (COSIT), and on wider evidence for the benefit of involving patients in specifying the goals for rehabilitation.

COSIDI was developed with patient and clinician feedback, and has been tested and validated in three clinical settings in Cardiff, Swansea, and Southampton. The validation is published here:

COSIDI scores correlate well with the Dizziness Handicap Inventory (DHI) and Vestibular Rehabilitation Benefit Questionnaire (VRBQ), showing it is a valid tool for assessing vestibular rehabilitation.

Contact Petroc Sumner (sumnerp@cardiff.ac.uk) for more information.