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Proportion of participants meeting or exceeding the clinical improvement criterion of 50% decrease in entry THI total score. In the TRT group, 7, 13, and 14 participants met the criterion at 6‐, 12‐, and 18‐month assessment points. In the SC group, 5, 5, and 6 participants met the criterion at 6‐, 12‐, and 18‐month assessment points. THI = tinnitus handicap inventory; TRT = tinnitus retraining therapy.
