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논문 기본 정보

자료유형
학술저널
저자정보
Ji Soo Kim (University of Ulsan College of Medicine) Joong Keun Kwon (University of Ulsan College of Medicine) Nam Jeong Kim (University of Ulsan College of Medicine) Ji Ho Lee (University of Ulsan College of Medicine)
저널정보
대한직업환경의학회 대한직업환경의학회지 대한직업환경의학회지 제33권 제3호
발행연도
2021.5
수록면
1 - 11 (11page)

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초록· 키워드

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Background: Pure-tone audiometry is used as a gold standard for hearing measurement. However, since communication in the work environment occurs in noise, it might be difficult to evaluate the actual communication ability accurately based on pure-tone audiometry only. Therefore, the purpose of this study is to evaluate speech intelligibility in noisy environments by using Speech-in-Noise Tests and to check its relationship with pure-tone audiometry.
Methods: From January 2017 to September 2018, for 362 workers who visited a university hospital for the purpose of compensating for noise-induced hearing loss, several tests were conducted: pure-tone audiometry, speech reception threshold, speech discrimination score, and Speech-in-Noise Tests (Words-in-Noise Test [WIN] and quick-Hearing-in-Noise Test [quick-HINT]). The subjects were classified into serviceable hearing group and non-serviceable hearing group based on 40 dB hearing level (HL) pure-tone average. In both groups, we conducted age-adjusted partial correlation analysis in order to find out the relationship between pure-tone threshold, speech reception threshold, speech discrimination score and WIN and quick-HINT respectively.
Results: In non-serviceable hearing group, all results of partial correlation analysis were statistically significant. However, in serviceable hearing group, there were many results which showed little or no significant relationship between pure-tone threshold and Speech-in-Noise Tests (WIN and quick-HINT).
Conclusions: The relationship between Speech-in-Noise Tests and the pure-tone thresholds were different by the hearing impairment levels; in mild to moderate hearing loss workers, there was little or no relationship; in severe cases, the relationship was significant. It is not enough to predict the speech intelligibility of hearing-impaired persons, especially in mild to moderate level, with pure-tone audiometry only. Therefore, it would be recommended to conduct Speech-in-Noise Test.

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ABSTRACT
BACKGROUND
METHODS
RESULTS
DISCUSSION
CONCLUSIONS
REFERENCES

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