Differences in Symptoms among Adults with Canal versus Otolith Vestibular Dysfunction: A Preliminary Report
Figure 4
(a) Comparison of Dizziness Handicap Inventory (DHI) scores between groups. All DHI scores were higher (worse) for Groups 2 (otolith only dysfunction) and 3 (otolith and canal dysfunction) as compared to Group 1 (canal only dysfunction), most notably on the composite scores () and physical domain scores (). (b) Comparison of DHI scores between those with and without otolith dysfunction. Comparison of composite and physical scores revealed that those with otolith dysfunction (Groups 2 and 3) had significantly worse scores as compared to those with canal only dysfunction (Group 1) ( and , resp.). This suggests that those with otolith dysfunction perceive their symptoms to be more disruptive of their life style as compared to those with canal only dysfunction.
