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The number of patients presenting with each symptom - as the main presenting complaint - is illustrated, as is the percentage this represents within the total cohort.
| n | % | |
| Hearing Loss | 752 | 80 |
| - Progressive Hearing Loss | 680 | 72 |
| - Sudden Hearing Loss | 72 | 8 |
| Tinnitus | 60 | 6 |
| Ataxia | 36 | 4 |
| Vertigo | 32 | 3 |
| Asymptomatic / Incidental | 20 | 2 |
| Headache | 19 | 2 |
| Facial Numbness | 17 | 2 |
| Otalgia | 2 | <1 |
| Facial Pain | 1 | <1 |
| Seizure | 1 | <1 |
| Syncope | 1 | <1 |
