Sinonasal and otologic evaluation
OtherAt onset, each participant had:
- sinonasal evaluation (several nasal signs and symptoms were evaluated, bilateral endoscopic nasal examination, computed tomography (CT) of the sinuses when sinus surgery became necessary).
- otologic evaluation (evaluation of middle ear status, documentations of personal history of otologic disease, otoscopic examination, pure-tone audiometry and tympanometry)