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PP002

AUDIOMETRIC NOTCHES OF NOISE INDUCED HEARING LOSS: 4K VERSUS 6K UNDER THE CONSIDERATION OF BODY MASS INDEX

Wednesday, 28 September, 2011 - 12:10
Board 1

A notch at 4 kHz (4K notch) in the audiogram is a basic characteristic of noise-induced hearing loss (NIHL). McBride and Williams found that the 4K notch was associated with noise exposure more significantly than notches at other frequencies, and concluded that the 4K notch was valuable in diagnosing NIHL. However, Wu et al. and Chen and Tsai reported a notch at 6 kHz (6K notch) in the audiogram was more closely associated with NIHL among workers in Taiwan than was the 4K notch. We would like to find factors associated with the frequencies most susceptible to NIHL. In this study, we analyzed the relationships between the subjects’ age, sex, height, weight, and body mass index (BMI) and audiometric notches, in hopes that the results of this study could assist in the early detection of NIHL.
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