audiogram
Diagnostic Testhearing test
Completed
NCT Number: NCT02493686
Age Dependence of Audiometric Bone Conduction Threshold in Normal Hearing Subjects
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.
Completed
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Notify MeKey information
Conditions
Age range
20 year–79 year
Sex eligibility
All sexes
Study type
Observational
Who can participate
Healthy volunteers accepted: Yes
Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
- All pure tone audiograms recorded and available in the system from the beginning of measurement as follows:
- age related normal hearing threshold level with air conducted pure tone audiogram
Exclusion criteria
- age younger than 20 years
- if inclusion criteria not given
Treatment and study plan
Primary outcomes
-
Bone conduction Threshold/ Air bone gap in normal hearing subject in relation to age
Time frame: 1960 - 2014 (54 years)
from the initial establishment of the database until collection of the data
Secondary outcomes
-
Air bone gap changes in individuals who have received more than one Audiogram
Time frame: 1960 - 2014 (54 years)
Sponsors and collaborators
Lead sponsor
University of Zurich
Other
Registry information
Important dates
- Study start
- 2014
- Primary completion
- 2015
- Study completion
- 2020
- First posted
- Jul 9, 2015
- Registry last updated
- Nov 16, 2020
OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.
View the official ClinicalTrials.gov record (opens in a new tab)This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.