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.
Pure-tone audiometric thresholds for all HI listeners. The mean and standard deviation across listeners are shown by the bold markers and error bars, respectively. Left and right ears are indicated by blue and red lines, respectively. Individual listeners’ thresholds (averaged across left and right ears) are indicated by the grey lines.
