Secretory Otitis Media and Hearing Loss

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Abstract
Hearing losses at 15 years of age were investigated in a material of 11 780 children born in Northern Finland in 1966 and followed-up since pregnancy. Two samples of the whole material, one representing a sample of 413 children with reported impaired hearing, and the other of 959 children with reported normal hearing were calculated to represent a total material of 11 748 cases. The correlation between the reported hearing and the audiometry results was very good. In the calculated material, 1 708 (14.6%) of the children exhibited a hearing loss exceeding 20 dB in at least one frequency in their school audiograms. The incidence of secretory otitis media as a risk diagnosis among those with impaired hearing was significantly higher than among those with normal hearing. Most of the hearing losses were found in the high frequencies.

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