Is It Necessary to Do Temporal Bone Computed Tomography of the Internal Auditory Canal in Tinnitus with Normal Hearing?

Table 5

Comparison of high-frequency audiometric measurements between control and tinnitus groups.

Frequency (Hz)	Group	Mean	Std. deviation	t	P *
8000 Hz R	Tinnitus	33,50	8,725	2,110	0,039
	Control	29,33	6,397
8000 Hz L	Tinnitus	34,17	8,718	2,445	0,018
	Control	28,83	8,167
9000 Hz R	Tinnitus	41,17	12,365	2,445	0,019
	Control	35,00	6,159
9000 Hz L	Tinnitus	43,83	12,154	2,771	0,007
	Control	36,50	6,159
10000 Hz R	Tinnitus	51,50	17,027	2,294	0,025
	Control	43,33	9,499
10000 Hz L	Tinnitus	52,00	15,625	2,271	0,027
	Control	44,00	11,326
11200 Hz R	Tinnitus	57,50	13,818	2,873	0,006
	Control	48,33	10,694
11200 Hz L	Tinnitus	58,00	14,118	3,429	0,001
	Control	47,33	9,535
12500 Hz R	Tinnitus	67,67	15,797	3,100	0,003
	Control	56,17	12,777
12500 Hz L	Tinnitus	67,00	13,038	3,187	0,002
	Control	56,83	11,633
14000 Hz R	Tinnitus	82,50	13,630	5,660	0,000
	Control	63,67	12,101
14000 Hz L	Tinnitus	79,00	10,860	4,634	0,000
	Control	65,83	11,148
16000 Hz R	Tinnitus	98,67	11,137	8,424	0,000
	Control	75,50	10,462
16000 Hz L	Tinnitus	98,33	8,442	8,088	0,000
	Control	75,50	12,955
18000 Hz R	Tinnitus	102,17	7,621	3,719	0,000
	Control	90,67	15,128
18000 Hz L	Tinnitus	99,83	7,931	2,367	0,000
	Control	91,50	17,575
20000 Hz R	Tinnitus	99,83	8,251	−2,070	0,043
	Control	104,33	8,584
20000 Hz L	Tinnitus	99,50	8,025	−3,270	0,002
	Control	106,00	7,358

∗Independent samples t-test.