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Influence of gender on Dysphonia Severity Index : A study of normative values

성(性)이 DSI(Dysphonia Severity Index)에 미치는 영향

  • Hwang, Young-Jin (Department of Speech & Langugage Pathology, Luther University) ;
  • Lee, Jae-Hong (Department of Physical Therapy, Daegu Health College) ;
  • Kim, Chang-Tae (Department of Hospital Medical Business, Daegu Mirae College)
  • 황영진 (루터대학교 언어치료학과) ;
  • 이재홍 (대구보건대학교 물리치료과) ;
  • 김창태 (대구미래대학교 병원의료업무과)
  • Received : 2011.11.22
  • Accepted : 2012.03.08
  • Published : 2012.03.31

Abstract

This study was investigate the usefulness of the DSI according to gender. The present study evaluated DSI in Korean population and Thirty voluntary participants (15 males, 15 females) who had G0 on the Grade, Roughness, Breathiness, Asthenics, Strain(GRBAS) and lived in Kyunggi-Do or Seoul, from March 2011 to June 2011. Maximum phonation time, the Highest fundamental frequency, the Lowest intensity, and Jitter(%) were measured using CSL 4500(Kay Pentax. USA). The experimenter explained the subjects the experimental condition and procedures and demonstrated the procedures, prior to the experiment. The result of in this study showed that the difference between males and females were not significants, although the Fhi was higher for females than for males. Therefore, We conclude that the DSI is a useful instrument to objectively measure the severity of dysphonia.

본 연구의 목적은 DSI의 성별에 다른 유용성을 살펴보고자 하였다. 본 연구는 GRBAS에서 모두 0점을 받은 경기도 및 서울에 거주하는정상 한국인 30명(남자 15명, 여자 15명)을 대상으로 2011년 3월부터 6월까지 실험하였다. DSI를 구성하고 있는 파라미터인 최대 발성시간, 최대 기본주파수, 최저 강도, Jitter(%)는 CSL 4500(Kay Pentax. USA)을 이용하여 측정하였다. 검사자는 모든 피험자에게 실험조건과 절차에 대해서 설명해 주었으며, 본 실험에 앞서 시범을 보여주었다. 성(性)이 DSI에 미치는 영향을 살펴보기 위해서 Mann-Whitney 검정을 실시하였다. 본 실험 결과, 여성이 남성에 비해 최대 기본주파수는 높았지만 남녀간 DSI는 통계적으로 유의한 차이가 없었다. 따라서 DSI는 음성장애의 심한정도를 살펴볼 수 있는 객관적인 측정도구로 유용하다고 생각한다.

Keywords

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