Table 3. Pre and Postoperative Hearing Result.

Cause of facial palsy	Preoperative, average (dB)±SD	Postoperative, average (dB)±SD	Paired t-test (p value)
Otic capsule sparing temporal bone fracture	Air conduction 51.26±15.94	Air conduction 51.06±20.21	0.210
	Bone conduction 32.06±16.69	Bone conduction 34.4±14.38	0.052
Bell's palsy	Air conduction 12±2.82	Air conduction 19±8.48	0.10
	Bone conduction 10.33±2.51	Bone conduction 15.33±3.78	0.082
Herpes zoster oticus	Air conduction 24.5±7.77	Air conduction 33.5±2.12	0.260
	Bone conduction 22.5±7.77	Bone conduction 21±7.07	0.20