0 dB to 25 dB | Normal limits |
26 dB to 40 dB | Mild loss |
41 dB to 55 dB | Moderate loss |
56 dB to 70 dB | Moderately severe loss |
71 dB to 90 dB | Severe loss |
91+ | Profound loss |
Difficulty in Speech Discrimination
90 to 100% | Normal limits |
75 to 90% | Slight difficulty, comparable to listening over a telephone |
60 to 75% | Moderate difficulty |
50 to 60% | Poor discrimination, marked by difficulty in following conversation |
Below 50% | Unable to follow running a speech |
32 Miss. Code. R. 1-19.2