Table 4.

Linear regressions between clinical symptoms of tinnitus and FC.

	p-value	b	R2	F-value
At pre-acupuncture
TEQ vs. FC	0.006	0.022	0.271	8.917
VAS vs. FC	<0.0001	0.068	0.624	39.830
At post-acupuncture
TEQ vs. FC	0.004	0.020	0.293	9.976
VAS vs. FC	0.001	0.055	0.346	12.680

b, regression coefficient; R², coefficient of determination.