Table 2.

Mean (SD) differences in linear motion perception thresholds and associated p-values for comparison between Menière’s disease (MD), vestibular migraine (VM) and healthy control groups (HC) for each axis

	ΔIA	IA p-value	ΔHV	HV p-value	ΔNO	NO p-value
MD vs VM	19.93 (25.19)	0.022*	20.59 (12.89)	0.007*	26.53 (27.53)	0.005*
MD vs HC	12.32 (16.21)	0.17	18.3 (11.63)	0.005*	26.46 (26.92)	<0.001**
VM vs HC	6.61 (8.98)	0.672	2.29 (1.26)	1	0.07 (0.61)	1

Δ absolute difference between perceptual thresholds in examined groups

IA Inter-aural, HV head-vertical, NO naso-occipital (NO) axes

* Statistically significant values at the level of p < 0.05

** Statistically significant values at the level of p < 0.001