Table I.

Comparison of frequency of blockages or fistulae between ears affected by Meniere's disease and normal ears.

	Blockage					Fistulae
Status	E duct	E sinus	U duct	S duct	DR	S-P	U-P	C-P	C-S	S-U
Meneiere's disease (n = 21)	5 (23%)	1 (4%)	16 (76%)	6 (28%)	10 (47%)	11 (52%)	9 (42%)	8 (38%)	1 (4%)	4 (19%)
Normal (n = 21)	0 (0%)	0 (0%)	11 (52%)	16 (76%)	10 (47%)	7 (33%)	15 (71%)	1 (4%)	0 (0%)	0 (0%)
t test	0.016	0.323	0.112	0.001	1	0.222	0.063	0.007	0.323	0.036

E, endolymphatic; U, utricle; S, saccule; DR, ductus reuniens; C, cochlear duct.