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The six-item visual vertigo analogue scale: A modified questionnaire for assessment of visual vertigo
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DOI：10.1177/09574271261435448.png)
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Abstract
En 中文
<jats:sec>
<jats:title>Background</jats:title>
<jats:p>Individuals with vestibular disorders often describe symptoms of dizziness, disorientation, and impaired balance induced by visual stimuli, commonly referred to as visual vertigo.</jats:p>
</jats:sec>
<jats:sec>
<jats:title>Objective</jats:title>
<jats:p>The purpose of this study was to improve assessment of visually induced symptoms by modifying the original, nine-item Visual Vertigo Analogue Scale (VVAS) to produce a more robust, interpretable, and clinically useful measure of visual vertigo. We also aimed to establish a cut-off score for identifying patients with vestibular disorders and low- versus high-severity visual vertigo.</jats:p>
</jats:sec>
<jats:sec>
<jats:title>Methods</jats:title>
<jats:p>
Patients with vestibular disorders (
<jats:italic toggle="yes">n</jats:italic>
= 199) and controls (
<jats:italic toggle="yes">n</jats:italic>
= 107) completed the modified VVAS (mVVAS). Exploratory factor analysis was conducted to develop a shorter scale and internal consistency analyses were performed. A K-means cluster analysis was used to determine a cut-off score for identifying low- and high-severity groups.
</jats:p>
</jats:sec>
<jats:sec>
<jats:title>Results</jats:title>
<jats:p>A reduced six-item scale (VVAS-6), which included three items from the VVAS and three items from the mVVAS, had excellent internal consistency (Cronbach’s α = 0.93). We identified four concepts within the VVAS-6 (walking with visual stimulation, visual stimulation only, escalator, car). A cut-off score of 37 was able to identify patients with vestibular disorders and high severity of visual vertigo.</jats:p>
</jats:sec>
<jats:sec>
<jats:title>Conclusions</jats:title>
<jats:p>The use of a cut-off score of 37 for the VVAS-6 scale resulted in an improvement in correctly identifying patients with vestibular disorders and high severity of visual vertigo from controls.</jats:p>
</jats:sec>
Keywords:
Visual Vertigo
Vestibular Disorders
Questionnaire Development
Cut-off Score
VVAS-6
Journal
J
IF:
0
Papers:
44
Citations:
0
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