7581b7c4__Effective_Health_Care_Program_Sound_technology_interventions_Comment
[Outcome] Anxiety symptoms [# of Articles] 141 [Overall Strength of Evidence] Insufficient [Comment] 
All groups in the study demonstrated improvement, but adding a noise generator to tinnitus education or cognitive behavioral therapy did not increase treatment benefits. 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 of unknown consistency.
Evaluation and Treatment of Tinnitus: Comparative Effectiveness - Executive Summary | AHRQ Effective Health Care Program