Understanding Your Hearing Test Results: Degrees of Hearing Loss
When you get a hearing test (audiogram), the results are classified by the Hearing Threshold Level (HTL), measured in decibels (dB). This classification helps determine the impact of the loss on daily communication and guides the appropriate treatment, like selecting a hearing aid or instrument.This table explains what the average hearing threshold level (in dB) means for your ability to hear common sounds.
1. Classification of degree hearing loss by Goodman (1965)
|
Hearing
Threshold Level (dB) |
Degree Of
Loss |
|
0 to 25 |
Normal |
|
26 to 40 |
Mild |
|
41 to 55 |
Moderate |
|
56 to 70 |
Moderately
severe |
|
71 to 90 |
Severe |
|
90 &
above |
Profound |
2. Classification of degree hearing loss by Clarke (1981)
(Modified Goodman)
|
Hearing Threshold Level (dB) |
Degree Of Loss |
|
-10 to 15 |
Normal
hearing |
|
16 to 25 |
Slight
hearing loss |
|
26 to 40 |
Mild hearing
loss |
|
41 to 55 |
Moderate
hearing loss |
|
56 to 70 |
Moderately
severe hearing loss |
|
71 to 90 |
Severe
hearing loss |
|
90 &
above |
Profound
hearing loss |
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