Table 7.

Multiple linear regression analyses of various factors and SRD thresholds, temporal modulation detection thresholds, SPD scores, and speech recognition thresholds in the TEs of unilateral tinnitus subjects

Psychoacoustic tests	Factors	Standardized β Coefficient	r2	p value
Spectral-ripple thresholds	Age	−0.163	0.698	0.709
	PTA	−0.967		0.055
	Pitch	0.086		0.706
	Duration	0.110		0.602
	THI	−0.447		0.136
	VAS	0.532		0.145
	TAS	0.104		0.633
	BDI	0.076		0.730
TMD thresholds	Age	0.524	0.803	0.159
	PTA	−0.043		0.907
	Pitch	0.200		0.290
	Duration	−0.201		0.251
	THI	0.461		0.066
	VAS	0.257		0.366
	TAS	−0.156		0.383
	BDI	−0.264		0.160
SPD scores	Age	−0.941	0.807	0.021*
	PTA	−0.022		0.951
	Pitch	−0.082		0.652
	Duration	0.344		0.063
	THI	−0.367		0.127
	VAS	0.145		0.600
	TAS	0.217		0.232
	BDI	0.141		0.429
SRTs	Age	−0.301	0.649	0.524
	PTA	0.912		0.086
	Pitch	−0.106		0.664
	Duration	−0.321		0.175
	THI	0.131		0.667
	VAS	0.242		0.518
	TAS	−0.293		0.229
	BDI	−0.146		0.540

Mean SPD and TMD thresholds averaged across multiple frequencies were used for this analysis.

THI, Tinnitus handicap inventory; VAS, visual analogue scale of the loudness; TAS, tinnitus awareness score; BDI, Beck depression inventory.

*p < 0.05.