Abstract
The relation between accessible benefit and hearing loss in combination with age of the patient is analysed. The degree of hearing loss and improvement derived by hearing aid use as found in this work is based on the individually determined speech reception threshold (SRT) for the condition with and without hearing aid in a noiseless environment. It was found that a significant correlation exists between hearing loss and SRT gain by the hearing aid (difference between unaided and aided speech reception threshold) for a pure-tone hearing loss of less than 40 dB at 500 Hz, irrespective of age, whereas for a hearing impairment of 40-60 dB, the gain by using the hearing aid is dependent on the age of the patient. A multiple regression analysis was performed to study the relation between benefit and hearing loss for the two groups of hearing impairment and different age groups.
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