Correlation of Tinnitus Loudness and Onset Duration with Audiological Profile Indicating Variation in Prognosis

Table 1

Comparison of tinnitus versus nontinnitus ears.

Variable	Tinnitus ears		Non-tinnitus ears		“t”-value
	Mean	S.D.	Mean	S.D.
1000 (Hz)	26.14	20.83	17.94	5.60	2.17*
2000 (Hz)	31.86	23.36	18.82	9.10	2.88**
4000 (Hz)	38.29	23.54	20.88	15.13	3.22**
8000 (Hz)	46.43	30.55	29.41	24.68	2.15*
10000 (Hz)	44.69	27.27	28.82	23.09	2.15*
12000 (Hz)	52.97	26.30	37.35	22.92	2.16*
PTA1 (dB)	27.43	19.96	18.53	5.52	2.45*
PTA2 (dB)	44.55	26.87	26.37	19.86	2.74**
PTA3 (dB)	55.42	20.24	41.47	20.22	2.30*
SRT (dB)	30.54	20.38	18.76	6.10	3.14**
SDS (%age)	92.69	10.30	99.29	2.11	3.64**
MCL (dB)	54.57	19.18	43.47	8.26	2.91**
Wave V (ms)	5.67	0.22	5.54	0.19	2.22*

∗P < 0.05; ∗∗P < 0.01. PTA: pure-tone average; SRT: speech reception threshold; SDS: speech discrimination score; MCL: most comfortable level; Wave V: ABR wave V absolute latency.