title: Correlation of the Dysphonia Severity Index (DSI), Consensus Auditory-Perceptual Evaluation of Voice (CAPE-V), and Gender in Brazilians With and Without Voice Disorders.
abstract: OBJECTIVE
  This study aims to analyze the Dysphonia Severity Index (DSI) in Brazilians with or without voice disorders and investigate DSI's correlation with gender and auditory-perceptual evaluation data obtained via the Consensus Auditory-Perceptual Evaluation of Voice (CAPE-V) protocol.
  
  
  METHODS
  A total of 66 Brazilian adults from both genders participated in the study, including 24 patients with dysphonia confirmed on laryngeal examination (dysphonic group [DG]) and 42 volunteers without voice or hearing complaints and without auditory-perceptual voice disorders (nondysphonic group [NDG]).
  
  
  METHODS
  The vocal tasks included in CAPE-V and DSI were performed and recorded. Data were analyzed by means of the independent t test, the Mann-Whitney U test, and Pearson correlation at the 5% significance level.
  
  
  RESULTS
  Differences were found in the mean DSI values between the DG and the NDG. Differences were also found in all DSI items between the groups, except for the highest frequency parameter. In the DG, a moderate negative correlation was detected between overall dysphonia severity (CAPE-V) and DSI value, and between breathiness and DSI value, and a weak negative correlation was detected between DSI value and roughness. In the NDG, the maximum phonation time was higher among males. In both groups, the highest frequency parameter was higher among females.
  
  
  CONCLUSIONS
  The DSI discriminated among Brazilians with or without voice disorders. A correlation was found between some aspects of the DSI and the CAPE-V but not between DSI and gender.
authors.affiliation: Department of Physiotherapy, Communication Science & Disorders, Occupational Therapy, Faculty of Medicine, University of São Paulo, Brazil.. Electronic address: knemr@usp.br.
authors.forename: Katia
authors.initials: K
authors.lastname: Nemr
authors.affiliation: Department of Physiotherapy, Communication Science & Disorders, Occupational Therapy, Faculty of Medicine, University of São Paulo, Brazil.
authors.forename: Marcia
authors.initials: M
authors.lastname: Simões-Zenari
authors.affiliation: Department of Physiotherapy, Communication Science & Disorders, Occupational Therapy, Faculty of Medicine, University of São Paulo, Brazil.
authors.forename: Glaucia S
authors.initials: GS
authors.lastname: de Souza
authors.affiliation: Department of Physiotherapy, Communication Science & Disorders, Occupational Therapy, Faculty of Medicine, University of São Paulo, Brazil.
authors.forename: Adriana
authors.initials: A
authors.lastname: Hachiya
authors.affiliation: Department of Physiotherapy, Communication Science & Disorders, Occupational Therapy, Faculty of Medicine, University of São Paulo, Brazil.
authors.forename: Domingos H
authors.initials: DH
authors.lastname: Tsuji
mesh_terms: D000162:Acoustics; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001938:Brazil; D016022:Case-Control Studies; D055154:Dysphonia / Q000175:diagnosis* / Q000503:physiopathology / Q000523:psychology; D005260:Female; D006801:Humans; D007600:Judgment; D007828:Laryngoscopy; D008297:Male; D008875:Middle Aged; D011237:Predictive Value of Tests; D012720:Severity of Illness Index; D012737:Sex Factors; D013061:Speech Acoustics; D013067:Speech Perception; D013068:Speech Production Measurement / Q000379:methods*; D049489:Stroboscopy; D014833:Voice Quality; D055815:Young Adult
keywords: Dysphonia Severity Index (DSI); acoustic analysis; dysphonia; voice perceptual evaluation; voice quality