Age Dependence of Audiometric Bone Conduction Threshold in Normal Hearing Subjects

University of Zurich (UZH)

Status: Completed

Conditions: Air Bone Gap

Treatments: Diagnostic Test: audiogram

Study type: Observational

Funder types: Other

Identifiers

NCT02493686

PR_16_09_2014

Details and patient eligibility

About

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.

Enrollment: 1,093 patients

Sex: All

Ages: 20 to 79 years old

Volunteers: Accepts Healthy Volunteers

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