Fig. 2.
Receiver operating characteristic curve with Eustachian tube function test (ETFT) as a reference. A: ETFT <10 daPa as a reference. B: ETFT <15 daPa as a reference.
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.