Low-Level Laser Therapy in Patients with Complaints of Tinnitus: A Clinical Study

Table 2

Improvement of hearing confirmed on audiometric improvement at the end of the 3-month study.

Response	Grade	Level	dB change
Improved	Low freq.	44	5, 3, 7, 35, 10, 10, 25, 8, 13, 10, 5, 7.15, 32, 2, 23, 2, 15, 5, 15, 2, 2, 3, 3, 12, 3, 3, 3, 2,10, 15, 3, 2, 23, 23, 2, 5, 27, 2, 80, 15, 7
	Mid freq.	43	2, 5, 20, 2, 8, 2, 2, 5, 5, 13, 2, 2, 25, 50, 5, 3, 18, 3, 18, 2, 3, 7, 12, 10, 3, 5, 3, 10, 2, 2, 5.50.2.23, 5, 5, 3, 90, 5, 5, 33.
	High freq.	30	5, 8, 8, 5, 10.2, 8, 5, 30, 8, 10.2, 27, 72, 2, 7, 43, 5, 8, 8, 3, 6, 2, 5, 5, 30, 17, 3, 2, 63, 25, 8, 13, 13, 8, 18, 90, 5, 90
No change	Low freq.	21	0
	Mid freq.	23	0
	High freq.	21	0
Deteriorated	Low freq.	20	1, 2, 7, 2, 3, 3, 2, 3, 10, 2, 5, 3, 50, 3, 3, 3, 8, 18, 5, 5, 5, 5
	Mid freq.	18	2, 23, 5, 2, 10, 3, 2, 43, 2, 3, 10, 2, 2, 8, 5
	High freq.	27	33, 10, 5, 3, 8, 3, 5, 2, 3, 5, 7, 40, 5, 10, 10, 7, 28, 5.2, 10, 3, 3, 15, 15, 8, 5