7581b7c4__Effective_Health_Care_Program_Sound_technology_interventions_Comment
[Outcome] Subjective loudness [# of Articles] 341-43 [Overall Strength of Evidence] Insufficient [Comment] 
There were no statistically significant differences between treatments in any of the studies, although benefits were reported for both hearing aids and sound generators. However, the overall strength of evidence is insufficient to conclude whether these findings represent true effects because of high risk of bias and imprecise estimates.
Evaluation and Treatment of Tinnitus: Comparative Effectiveness - Executive Summary | AHRQ Effective Health Care Program