An observational study in Air Bone Gap, sponsored by University of Zurich. Completed. Open to participants aged 20 Years to 79 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2020-11-16.
Sponsored by University of Zurich · Observational
Examination of the bone conduction of persons which according to the pure tone audiogram have a normal age related hearing threshold in the air conduction.
University of Zurich is the lead sponsor of 1,030 studies on the registry; 130 are open to participants now.
Counted across the registry records on this site, refreshed daily.
Persons which have a normal hearing threshold level in the airconduction.
Exclusion Criteria:
hearing test
Bone conduction Threshold/ Air bone gap in normal hearing subject in relation to age
from the initial establishment of the database until collection of the data
Time frame: 1960 - 2014 (54 years)
Air bone gap changes in individuals who have received more than one Audiogram
Time frame: 1960 - 2014 (54 years)
No study locations are listed for this record.
This study is completed, as verified in Nov 2015. You cannot join it, but the record below documents what was studied.
Get an email when the registry record changes — status, dates, results — or when someone posts here.
Sign in to followQuestions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.
Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.
Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.
University of Zurich