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| Symptom | Middle-aged patients | Younger patients | p-value |
| Ear discharge | 29 (82.86%) | 32 (91.43%) | 1.0000 |
| Decreased hearing | 26 (74.28%) | 23 (65.71%) | 1.0000 |
| Postauricular swelling | 1 (2.86%) | 1 (2.86%) | 1.0000 |
| Earache | 2 (5.71%) | 1 (2.86%) | 1.0000 |
| Tinnitus | 2 (5.71%) | 0 | 1.0000 |
| Facial weakness | 1 (2.86%) | 0 | 1.0000 |
| Dizziness | 2 (5.71%) | 0 | 1.0000 |
| Fever | 1 (2.86%) | 1 (2.86%) | 1.0000 |
