KEY POINTS
1. The severity of tinnitus associated with SSNHL is generally not very strong and is mostly classified as levels 3 and 4.
2. Initial tinnitus level was remarkably associated with tinnitus efficacy at discharge.
3. The short-term prognosis of tinnitus may be related to psychological changes caused by hearing recovery.
4. The long-term prognosis of residual tinnitus after SSNHL is related only to the initial tinnitus level.
5. Over time, residual tinnitus will gradually recover, with a median healing time of approximately 2 years.
Key Words : Residual tinnitus, SSNHL, Initial tinnitus level, Long-term prognosis, Affected factors