Table 2.

Characteristics of Patients With Facial Paralysis

Facial Paralysis Characteristic	No. (%)
Etiology of facial paralysis
Acoustic neuroma	28 (31.8)
Bell palsy	26 (29.6)
CNS tumor	6 (6.8)
Ramsay Hunt syndrome	5 (5.7)
Iatrogenic	4 (4.6)
Otologic	4 (4.6)
Other	4 (4.6)
Parotid malignant neoplasm	3 (3.4)
Facial schwannoma	3 (3.4)
Trauma	3 (3.4)
Congenital	2 (2.3)
Severity of facial paralysis, HB grade
I (Control)	175 (66.5)
II	19 (7.2)
III	20 (7.6)
IV	9 (3.4)
V	11 (4.2)
VI	29 (11.0)

Abbreviations: CNS, central nervous system tumor; HB, House-Brackmann.