Table 3.

Categorization of tinnitus patients for TRT.

Category	Tinnitus	Hypoacusis	Hyperacusis	Exacerbation with sound	Therapy
0	Low impact	Absent	Absent	Absent	Counseling
1	High impact	Absent	Absent	Absent	Sound generator at the mixing point
2	High impact	Present	Absent	Absent	PSA + Sound enrichment
3	High impact	Absent	Present	Absent	Sound generator close to auditory threshold
4	High impact	Absent	Present	Present	Sound generator close to auditory threshold