GRBAS and Cape-V Scales: High Reliability and Consensus When Applied at Different Times

Summary Objectives To evaluate whether the overall dysphonia grade, roughness, breathiness, asthenia, and strain (GRBAS) scale, and the Consensus Auditory Perceptual Evaluation—Voice (CAPE-V) scale show the same reliability and consensus when applied to the same vocal sample at different times. Stud...

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Bibliographic Details
Published in:	Journal of voice 2012-11, Vol.26 (6), p.812.e17-812.e22
Main Authors:	Nemr, Katia, Simões-Zenari, Marcia, Cordeiro, Gislaine Ferro, Tsuji, Domingos, Ogawa, Allex Itar, Ubrig, Maysa Tibério, Menezes, Márcia Helena Moreira
Format:	Article
Language:	eng
Subjects:	Adolescent Adult Aged Aged, 80 and over CAPE-V Child Clinician ratings of voice quality Comparative Studies Consensus Cross-Sectional Studies Dysphonia - diagnosis Dysphonia - physiopathology Dysphonia - psychology Female GRBAS Humans Male Measurement Middle Aged Observer Variation Otolaryngology Perceptual ratings Predictive Value of Tests Reliability Reproducibility of Results Severity of Illness Index Speech Acoustics Speech Perception Speech Production Measurement - methods Speech Therapy Time Factors Voice Disorders Voice Quality Voice Therapy Young Adult
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Summary:	Summary Objectives To evaluate whether the overall dysphonia grade, roughness, breathiness, asthenia, and strain (GRBAS) scale, and the Consensus Auditory Perceptual Evaluation—Voice (CAPE-V) scale show the same reliability and consensus when applied to the same vocal sample at different times. Study Design Observational cross-sectional study. Methods Sixty subjects had their voices recorded according to the tasks proposed in the CAPE-V scale. Vowels /a/ and /i/ were sustained between 3 and 5 seconds. Reproduction of six sentences and spontaneous speech from the request “Tell me about your voice” were analyzed. For the analysis of the GRBAS scale, the sustained vowel and reading tasks of the sentences was used. Auditory-perceptual voice analyses were conducted by three expert speech therapists with more than 5 years of experience and familiar with both the scales. Results A strong correlation was observed in the intrajudge consensus analysis, both for the GRBAS scale as well as for CAPE-V, with intraclass coefficient values ranging from 0.923 to 0.985. A high degree of correlation between the general GRBAS and CAPE-V grades (coefficient = 0.842) was observed, with similarities in the grades of dysphonia distribution in both scales. The evaluators indicated a mild difficulty in applying the GRBAS scale and low to mild difficulty in applying the CAPE-V scale. The three evaluators agreed when indicating the GRBAS scale as the fastest and the CAPE-V scale as the most sensitive, especially for detecting small changes in voice. Conclusions The two scales are reliable and are indicated for use in analyzing voice quality.
ISSN:	0892-1997 1873-4588