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Notched Audiograms and Noise Exposure History in Older Adults
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2811687/#:~:text=This%20may%20be%20reflected%20in%20the%20audiogram%20as,clinical%20sign%20of%20NIHL%20%28McBride%20%26%20Williams%2C%202001%29.
Audiogram notches in noise-exposed workers
https://pubmed.ncbi.nlm.nih.gov/17086083/
Despite this variability, a notch metric showed excellent agreement with expert notch consensus in each sample (94.7 and 96.6%; kappa = 0.88 and 0.92). Conclusions: Audiogram notch metrics can agree with expert clinical consensus and assist in the surveillance of noise-exposed workers. Publication types Research Support, N.I.H., Extramural
Notched Audiograms and Noise Exposure History in …
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2811687/
This may be reflected in the audiogram as hearing thresholds that reach a maximum between 3–6 kHz and then return toward the normal level at higher frequencies, forming a noise notch. A notched audiogram, together with a positive history of noise exposure, has been gradually accepted as a clinical sign of NIHL (McBride & Williams, 2001).
Audiogram Notches in Noise-Exposed Workers : Ear and …
https://journals.lww.com/ear-hearing/Abstract/2006/12000/Audiogram_Notches_in_Noise_Exposed_Workers.12.aspx
Audiogram notch metrics can agree with expert clinical consensus and assist in the surveillance of noise-exposed workers. © 2006 Lippincott Williams & Wilkins, Inc.
The prevalence of notched audiograms in a cross …
https://pubmed.ncbi.nlm.nih.gov/25470371/
The corresponding figures for the 4 kHz notch were 31% versus 21% (p < 0.001). For the notch index, 61% of the exposed and 51% of the controls had a notched audiogram (p < 0.001). For female workers, the prevalence of audiometric notches was lower, and the differences between noise exposed and nonexposed was smaller than those in men.
Audiometric notch as a sign of noise induced hearing loss
https://oem.bmj.com/content/oemed/58/1/46.full.pdf
inspect each audiogram and decide whether or not a notch was present,a notch which,if there were an appropriate history of exposure, they would attribute to the eVects of noise. If so, they marked the location of the notch on the audiometric record. The results of this assess-ment have been reported elsewhere10 and
Noise induced hearing loss - audiogram - Audiometric ...
https://www.audiometrictestingperth.com.au/noise-induced-hearing-loss/
An audiogram is used to chart the results according to loudness (dB) and pitch (Hz).On an audiogram, noise induced hearing loss (NIHL) will usually be seen first as a slight loss of hearing in the 4 kHz region. This dip in hearing is more commonly known as a ‘notch’ in the audiogram.
The Significance of Audiometric Notching in Individuals ...
https://journals.lww.com/ear-hearing/Fulltext/2021/09000/The_Significance_of_Audiometric_Notching_in.2.aspx
We also included information on the type of audiogram, thresholds tested, use of TDH-39 headphones, definition of notch used in each study, if noise exposure was present, the frequency that the notch presented between 1 and 8 kHz and percentage of test group with notch identified. Risk of Bias (Quality) Assessment
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