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Otomicroscopic findings in both ears for the rock musician (n = 111) and control (n = 40) samples
| Right ear | Left ear | |||
|---|---|---|---|---|
| Rock musicians % (95% CI) | Controls % (95% CI) | Rock musicians % (95% CI) | Controls % (95% CI) | |
| Normal | 73 (65-81) | 75 (62-89) | 78 (70-85) | 80 (63-92) |
| External otitis | 1 (0-3) | 0 (0) | 1 (1-3) | 0 |
| Cerumen occlusion | 14 (7-20) | 15 (4-26) | 14 (8-22) | 10 (1-20) |
| Tympanic retraction | 3 (0-6) | 3 (0-7) | 4 (0-7) | 3 (0-7) |
| Perforation | 1 (0-3) | 0 | 0 | 0 |
| Scars | 4 (0-7) | 5 (12) | 2 (0-4) | 5 (0-12) |
