Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Siegel's criteria of hearing improvement.
| Type | Hearing recovery | |
|---|---|---|
| I | Complete recovery | Patients whose final hearing level is better than 25 dB regardless of the size of the gain |
| II | Partial recovery | Patients who show more than 15 dB of gain and whose final hearing level is between 25 and 45 dB |
| III | Slight recovery | Patients who show more than 15 dB of gain and whose final hearing level is poorer than 45 dB |
| IV | No improvement | Patients who show less than 15 dB of gain |
