Table 5 Probable causes and type of hearing loss (by ear) amongst those with any level of hearing loss (> 25 dB in better ear)
Left ear (n = 789) | Right ear (n = 789) | |||
|---|---|---|---|---|
N | % | N | % | |
Probable conductive | ||||
Impacted wax | 17 | 2.2 | 18 | 2.3 |
Otitis externa | 3 | 0.4 | 2 | 0.3 |
COM – wet perforation | 5 | 0.6 | 5 | 0.6 |
COM – dry perforation | 12 | 1.5 | 10 | 1.3 |
OME | 0 | 0.0 | 3 | 0.4 |
Other middle ear | 2 | 0.3 | 0 | 0.0 |
Total | 39 | 4.9 | 38 | 4.8 |
Probable sensorineural | ||||
Acquired | 723 | 91.6 | 727 | 92.1 |
Congenital | 1 | 0.1 | 0 | 0.0 |
Total | 724 | 91.7 | 727 | 92.1 |
Probable mixed | ||||
Impacted wax | 11 | 1.4 | 8 | 1.0 |
Otitis externa | 0 | 0.0 | 2 | 0.3 |
COM – wet perforation | 3 | 0.4 | 2 | 0.3 |
COM – dry perforation | 11 | 1.4 | 10 | 1.3 |
OME | 1 | 0.1 | 1 | 0.1 |
Other | 0 | 0.0 | 1 | 0.1 |
Total | 26 | 3.3 | 24 | 3.0 |