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. 2017 May 28;2(4):166–177. doi: 10.1002/lio2.76

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© 2017 Authors Laryngoscope Investigative Otolaryngology published by Wiley Periodicals, Inc. on behalf of The Triological Society

This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial‐NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Change in total TFI score from baseline to 18‐month follow‐up for participants receiving TRT or SC treatment (ITT analysis shown). The TFI instrument was not available during screening for all participants when this study was initiated, partial data sets are reported for screening (TRT n = 13 and SC n = 14) and entry (TRT n = 6 and SC n = 4). Significance levels are ^*p < .05, ^**p < .01, and ^***p < .005. ITT = intention to treat; THI = tinnitus handicap inventory; TFI = Tinnitus Functional Index; TRT = tinnitus retraining therapy; SC = standard of care.