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Auditory-Perceptual and Acoustic Assessment in Measuring Dysphonia Severity of Vocal Fold Nodules

성대결절 환자의 음성장애에 대한 청지각적 및 음향학적 평가

  • 김근효 (부산대학교병원 이비인후과 음성언어치료실) ;
  • 권순복 (부산대학교 인문대학 언어정보학과)
  • Received : 2017.10.11
  • Accepted : 2017.11.15
  • Published : 2018.01.28

Abstract

The purpose of this study was to investigate the relationship between the differences in the acoustic measurements (AVQI) and the auditory-perceptual assessments (GRBAS, CAPE-V) of the normal and vocal fold nodules. For this purpose, Total 335 voice samples were analyzed acoustically and three raters performed auditory-perceptual assessments. in the results, AVQI, G, and OS scores of the normal group were lower than those of the vocal fold nodules group. The correlations between the G scale and the OS scale were highly correlated, and the correlation between the AVQI, and auditory-perceptual results (G and OS) was also high value. The threshold values for discriminating AVQI, G, and OS between the two groups were ${\leq}4.06$, ${\leq}1$, and ${\leq}26$, respectively, and the predictive diagnostic power was 0.840, 0.860, and 0.848. In conclusion, AVQI and auditory-perceptual evaluation can improve potentiality the screening of vocal fold nodules and help to determine the diagnosis and treatment plan of voice disorders.

본 연구의 목적은 정상 집단과 성대결절 집단의 음성을 음향학적 측정(AVQI), 청지각적 평가(GRBAS, CAPE-V)를 수행하여 그 차이와 상관관계를 조사하는 것이다. 이를 위해 성대결절 환자 335명의 음성 샘플을 음향학적으로 분석하고, 3명의 평가자를 통해서 청지각적 평가를 실시하였다. 연구결과, 정상 집단의 AVQI, grade(G), overall severity(OS) 점수는 성대결절 집단의 점수보다 낮게 평가되었다. 청지각적 척도간의 상관관계에서는 GRBAS의 G 척도와 CAPE-V의 OS 척도는 상관관계가 높은 것으로 나타났고, 음향학적 측정 AVQI와 G, OS 간의 상관관계도 높은 것으로 확인되었다. 두 집단 간의 AVQI, G, OS를 감별하는 역치값은 각각 ${\leq}4.06$, ${\leq}1$, ${\leq}26$ 였으며, 예측진단력은 0.840, 0.860,0.848이었다. 결론적으로 AVQI와 청지각적 평가를 통하여 성대결절 음성에 대한 선별 가능성을 높일 수 있고, 음성장애의 진단 및 치료 계획수립에 도움을 줄 것으로 사료된다.

Keywords

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