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- Title
Audiometric Notches in Noise-Induced Hearing Loss: 4K versus 6K as Related to Body Mass Index.
- Authors
Ning-Chia Chang; Chi-Kung Ho; Meng-Hsuan Hsieh; Chao-Ling Wang; Chen-Yu Chien; Wen-Yi Lin; Kuen-Yao Ho
- Abstract
Purpose: The aim of this study was to investigate the association of the body mass index (BMI) with audiometric notches in noise exposed workers. Materials and Methods: This study is a cross-sectional analysis performed at an academic medical center. The pure-tone audiograms and basic personal information of noise-exposed workers were retrieved from the computerized database. The associations between age, height, weight, and BMI and audiometric notches were analyzed. Results: The audiograms of 4,598 ears from 2,299 noise-exposed workers were analyzed. Approximately one-third of the ears had notched audiograms. Subjects with left-ear notched audiograms had younger average age than subjects with right-ear notches. There was no significant association between the subjects' height and weight and audiometric notches. The mean BMIs of subjects with left-ear audiograms with notches at 4K and 6K were 25.66±3.23 and 25.09±3.30, respectively; the difference was statistically significant (t-test; p=0.022). Conclusions: Subjects with higher BMIs tended to have left-ear audiograms with notches at 4K. BMI information may assist in predicting audiogram notch frequency, thus aiding in early detection of noise-induced hearing loss.
- Subjects
NOISE-induced deafness; AUDIOMETRY; BODY mass index; CROSS-sectional method; DATABASES; NOISE pollution
- Publication
Journal of International Advanced Otology, 2012, Vol 8, Issue 3, p407
- ISSN
1308-7649
- Publication type
Article