Table 4.

Comparison of endolymphatic hydrops degree at different Ménière's disease stages (p-value).

Anatomical structure	Asymptomatic contra-lateral EH	Stage 1 + 2	Stage 3	Stage 4
	n = 32	n = 28	n = 109	n = 41
CAT vs. CMT	0.317	1.000	0.083	0.317
CAT vs. CBT	0.180	0.059	0.000a	0.059
CAT vs Vest	0.000a	0.978	0.234	0.317
CMT vs. CBT	0.157	0.059	0.000a	0.102
CMT vs. Vest	0.000a	0.978	0.499	0.527
CBT vs. Vest	0.000a	0.197	0.009a	0.593

CAT, Cochlear apical turn; CMT, Cochlear middle turn; CBT, Cochlear basal turn; Vest, Vestibule.

^ap < 0.05.