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| Methods | Randomised controlled trial | |
| Participants | 172 military veterans | |
| Interventions | Tinnitus masking or tinnitus retraining therapy | |
| Outcomes | Audiometry, Tinnitus Handicap Inventory (THI), Tinnitus Handicap Questionnaire (THQ) and Tinnitus Severity Index (TSI) were administered | |
| Notes | — | |
| Risk of bias | ||
| Bias | Authors' judgement | Support for judgement |
| Allocation concealment (selection bias) | High risk | C |
