International journal of audiology · 2025
Validating the Client Oriented Scale of Improvement for Dizziness and Imbalance (COSIDI).
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Sumner Petroc, Mora Sally, Derry Hannah, Withey Harriet, Rajenderkumar Deepak, Powell Georgina
Аннотация
OBJECTIVE: Measuring vestibular rehabilitation progress with questionnaires can be difficult in time-limited clinical settings. We developed and tested a new brief tool: Client Oriented Scale of Improvement for Dizziness and Imbalance (COSIDI), based on validated client-oriented scales for hearing aids (COSI) and for tinnitus (COSIT), and on wider evidence for involving patients in specifying the goals for rehabilitation.
DESIGN: We developed the COSIDI with patient and clinician feedback and validated it through comparison with Dizziness Handicap Inventory (DHI) and Vestibular Rehabilitation Benefit Questionnaire (VRBQ) during normal clinical appointments.
STUDY SAMPLE: 91 outpatients in three clinical settings in Cardiff, Swansea and Southampton.
RESULTS: COSIDI improvement scores showed comparable effect size with DHI and VRBQ (Cohen's d = 1.1 vs 1.2 and 0.64) and correlated highly with the existing measures (r = 0.73). Clinicians found COSIDI to be useful and appropriate for rehabilitation measurement, due to its patient-focus, brevity and support for goal-setting.
CONCLUSIONS: COSIDI is a valid tool for assessing vestibular rehabilitation, used alone or as complementary to other tools, which clinicians indicated provide useful prompts for patients to consider.
DESIGN: We developed the COSIDI with patient and clinician feedback and validated it through comparison with Dizziness Handicap Inventory (DHI) and Vestibular Rehabilitation Benefit Questionnaire (VRBQ) during normal clinical appointments.
STUDY SAMPLE: 91 outpatients in three clinical settings in Cardiff, Swansea and Southampton.
RESULTS: COSIDI improvement scores showed comparable effect size with DHI and VRBQ (Cohen's d = 1.1 vs 1.2 and 0.64) and correlated highly with the existing measures (r = 0.73). Clinicians found COSIDI to be useful and appropriate for rehabilitation measurement, due to its patient-focus, brevity and support for goal-setting.
CONCLUSIONS: COSIDI is a valid tool for assessing vestibular rehabilitation, used alone or as complementary to other tools, which clinicians indicated provide useful prompts for patients to consider.