Reliability of Clinician-Based (GRBAS and CAPE-V) and Patient-Based (V-RQOL and IPVI) Documentation of Voice Disorders

Michael P. Karnell, Sarah D. Melton, Jana Childes, Todd C. Coleman, Scott A. Dailey, Henry T. Hoffman

Research output: Contribution to journalArticle

144 Citations (Scopus)

Abstract

Summary: This study examined the reliability of two methods for documenting voice quality by clinicians and compared the methods for documenting patients' perceptions of voice quality. It involved a prospective reliability study and a retrospective chart review. Reliability of two clinician-based voice assessment protocols-Grade, Roughness, Breathiness, Asthenia, Strain (GRBAS) and Consensus Auditory Perceptual Evaluation-Voice (CAPE-V)-was evaluated. These two protocols were then compared after use in voice assessments of 42 males and 61 females performed by a certified speech-language pathologist specializing in the assessment of voice disorders. In addition, two patient-based scales (Voice Related Quality of Life, or V-RQOL, and Iowa Patient's Voice Index, or IPVI) obtained from the same patients were compared with each other and with the clinician-based scales. Reliability of clinicians' ratings of overall severity of dysphonia using GRBAS and CAPE-V scales was very good (r > 0.80). Agreement between V-RQOL Total scores and IPVI ratings of the patient's perceptions of impact of dysphonia was less strong (Spearman's r = -0.76). There was relatively weak agreement between patient-based and clinician-based scales. Clinician's perceptions of dysphonia appeared to be reliable and unaffected by rating tool, as indicated by the high level of agreement between the two rating systems when they were used together. The CAPE-V system appeared to be more sensitive to small differences within and among patients than the GRBAS system. The V-RQOL and IPVI approaches to documenting patient's perceptions of dysphonia agreed less well possibly due to differences in patient dependence on voice and on interpretation of the rating tool items. The differences between clinician-based and patient-based data support the conclusion that clinicians and patients experience and consider dysphonia very differently.

Original languageEnglish (US)
Pages (from-to)576-590
Number of pages15
JournalJournal of Voice
Volume21
Issue number5
DOIs
StatePublished - Sep 1 2007
Externally publishedYes

Fingerprint

Voice Disorders
Asthenia
Documentation
Consensus
Dysphonia
Voice Quality
Language

Keywords

  • CAPE-V
  • Clinician ratings of voice quality
  • GRBAS
  • IPVI
  • Patient ratings of quality of life
  • Reliability
  • V-RQOL

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Speech and Hearing
  • LPN and LVN

Cite this

Reliability of Clinician-Based (GRBAS and CAPE-V) and Patient-Based (V-RQOL and IPVI) Documentation of Voice Disorders. / Karnell, Michael P.; Melton, Sarah D.; Childes, Jana; Coleman, Todd C.; Dailey, Scott A.; Hoffman, Henry T.

In: Journal of Voice, Vol. 21, No. 5, 01.09.2007, p. 576-590.

Research output: Contribution to journalArticle

Karnell, Michael P. ; Melton, Sarah D. ; Childes, Jana ; Coleman, Todd C. ; Dailey, Scott A. ; Hoffman, Henry T. / Reliability of Clinician-Based (GRBAS and CAPE-V) and Patient-Based (V-RQOL and IPVI) Documentation of Voice Disorders. In: Journal of Voice. 2007 ; Vol. 21, No. 5. pp. 576-590.
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