Table 2.

Abnormalities seen on eustachian tube endoscopy findings (N=200)

	Tubal opening on swallowing	Medial lamina movement	Lateral lamina movement	Anatomical obstruction	Mucosal oedema
Present	175	177	178	16	38
Absent	25	23	22	184	162
Total	200	200	200	200	200