Table 1. Number of Main Symptoms According to Age
| Main Symptom | Number of Patients(%) | χ2 | P-value |
| 10-29 | 30-39 | 40-49 | 50-59 | 60≤ |
| Tinnitus | 16(88.9) | 27(84.4) | 48(85.7) | 45(88.2) | 32(86.5) | 0.374 | 0.985 |
| Ear fullness | 15(83.3) | 27(84.4) | 47(83.9) | 38(74.5) | 22(59.5) | 9.454 | 0.051 |
| Hyperacusis | 7(38.9) | 10(31.3) | 16(28.6) | 19(37.3) | 8(21.6) | 3.137 | 0.535 |
| Dizziness | 11(61.1) | 12(37.5) | 30(53.6) | 19(37.3) | 17(45.9) | 5.449 | 0.244 |
| Headache | 6(33.3) | 9(28.1) | 18(32.1) | 7(13.7) | 10(27.0) | 5.718 | 0.221 |
| Autophony | 5(27.8) | 9(28.1) | 19(33.9) | 17(33.3) | 11(29.7) | 0.571 | 0.966 |