Differences in Symptoms among Adults with Canal versus Otolith Vestibular Dysfunction: A Preliminary Report

Table 7

Comparison of groups’ DHI scores.

	Group 1; (𝑛=3)	Group 2; (𝑛=4)	Group 3; (𝑛=7)	𝑃 value§
Composite†	43 (14.5)	64 (6.0)	60 (17.6)	0.09*
P-DHI†	10 (6.0)	19 (3.0)	20 (4.8)	0.01*
F-DHI†	17 (8.3)	24 (4.1)	21 (8.0)	0.28
E-DHI†	15 (6.1)	22 (5.3)	19 (8.4)	0.28
Mild††	1	0	1	0.18
Moderate††	2	1	2
Severe††	0	3	4

DHI: Dizziness Handicap Inventory; Group 1: canal only dysfunction; Group 2: otolith only dysfunction; Group 3: both.
†Mean DHI scores (standard deviation in parentheses).
P-DHI: physical domain; F-DHI: functional domain; E-DHI: emotional domain.
††Composite score severity rank frequencies.
§ANOVA.
* 𝛼=0.10.