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KMID : 1022420120040030151
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Phonetics and Speech Sciences
2012 Volume.4 No. 3 p.151 ~ p.159
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Prevalence of Voice Disorders and Characteristics of Korean Voice Handicap Index in the Elderly
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Song Yun-Kyung
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Abstract
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The purpose of this study is to evaluate the prevalence of voice disorders and the Korean voice handicap index in the elderly. For this study, 169 elderly performed two types of questionnaires and vowel /a/ prolongation. Self-reported voice symptoms and the Korean voice handicap index were analyzed and acoustic voice evaluation was performed by MDVP. The results showed that the prevalence of voice disorders in the elderly are significantly higher than that of adults in self-reports. In acoustic evaluation, 32.2% of the male elderly and 40.9% of the female elderly exceeded the thresholds of Jitter (%),Shimmer (%) and NHR. In addition, Korean voice handicap index scores of the female elderly are significantly higher than those of female adults. These findings indicate the high frequency of voice disorders in the elderly and the need to focus on this group. Additional studies on the voice related quality of life for the elderly are needed.
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KEYWORD
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prevalence, voice disorders, Korean voice handicap index, elderly voice
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