The Characteristic and Short-Term Prognosis of Tinnitus Associated with Sudden Sensorineural Hearing Loss

Table 2

Severity of tinnitus in patients with hearing loss.

Classifications of hearing loss	Severity of tinnitus (THI)
	No. of cases	Negligible	Mild	Moderate	Severe	Catastrophic
Hearing loss level
Mild and moderate	71	9	29	26	7	0
Moderately severe	34	3	18	9	4	0
Severe	59	5	23	25	5	1
Profound	66	5	26	26	6	3
Audiogram type
Type A, low frequency	28	7	18	2	1	0
Type B, flat	83	9	32	34	8	0
Type C, high frequency	65	3	24	30	7	1
Type D, total deafness	54	3	22	20	6	3

THI, Tinnitus Handicap Inventory. In terms of the degree of THI, there was no significant difference among the levels of hearing loss (, ). However, there was a significant difference between different audiograms (, ). The low-frequency-audiogram group had low THI scores compared with others ().