Table 7.

Multiple linear regression analysis 3

	Quotient			Significant P-value	95% CI
	B	SD	t		Lower threshold	Upper threshold
Constant	28.481	4.656	6.117	<0.001	19.133	37.829
Laterality of hearing loss	0.059	0.083	0.713	0.479	−0.108	0.226
First fitting age	−0.049	0.061	0.805	0.425	−1.171	0.073