목적: Tinnitus Retraining Therapy (TRT) is a widely used intervention for tinnitus management, but its effectiveness varies among patients. This study aims to investigate how these factors influence TRT outcomes through statistical. 방법:Data from a cohort of tinnitus patients (N = 1734) were analyzed, including demographic information (age, sex), tinnitus characteristics (nature, type, duration), diagnosis, and audiometric data (PTA values). Patients were classified into high-frequency hearing loss (PTA at 4000– 8000 Hz) and low-frequency hearing loss (PTA at 500–1000 Hz) groups. Psychological factors were assessed using BEPSI (stress) and BDI (depression) scales. TRT effectiveness was measured as the change in THI scores before and after treatment. 결과:TRT effectiveness did not significantly differ between hearing aid users and non-users (p > 0.05), indicating that hearing aid use is not a major determinant of treatment response. Similarly, THI scores did not significantly improve over time (p = 0.522), suggesting that the long-term efficacy of TRT remains inconclusive. When comparing hearing loss patterns, low-frequency loss patients exhibited greater THI reduction (-15.03) compared to high-frequency loss patients (-10.26). However, this difference was not statistically significant (p = 0.092). Multiple linear regression analysis identified THI_Pre, stress (BEPSI), and depression (BDI) as significant predictors of TRT effectiveness (p < 0.05), whereas age, tinnitus duration, and hearing loss patterns were not significantly associated with TRT outcomes. Patients with higher stress and depression scores showed smaller THI reductions, indicating that psychological factors negatively impact TRT success. 결론:The study findings suggest that TRT effectiveness is strongly influenced by psychological factors, particularly stress and depression, rather than hearing loss patterns or hearing aid use. While low-frequency loss patients showed a trend toward greater improvement, the difference was not statistically significant. Higher initial THI scores were associated with greater treatment effects, while increased stress and depression levels predicted poorer outcomes. These results emphasize the importance of integrating psychological assessment and mental health interventions into TRT protocols to improve treatment success.