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Sensorineural hearing loss in 115 patients with unilateral suppurative chronic otitis media (37 with and 78 without cholesteatoma) and normal contralateral ear (paired control).
| Bone conduction threshold | Suppurative chronic otitis media | Contralateral | ||
|---|---|---|---|---|
| With cholesteatoma N=37(%) | Without cholesteatoma N=78(%) | Total | N=115(%) | |
| > or = 30 dB in 0.5, 1, 2 KHz (average) | 1(2,7) | 6(7,7) | 7(6,0) | 0 |
| > or = 30 dB only in 4 KHz | 6(16,2) | 2(2,5) | 8(6,9) | 5(4,3) |
| P value | 0,58 | 0,01 | 0,08 | 1,00 |
