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Borg scale: a new method for hypernasality rating.

Francine Santos Ramos-Favaretto1, Ana Paula Fukushiro1,2, Rafaeli Higa Scarmagnani1

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Summary
This summary is machine-generated.

The Borg centiMax scale demonstrates superior reliability for assessing hypernasality compared to the ordinal scale. Single-word speech samples also yield more consistent results for hypernasality evaluation.

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Area of Science:

  • Speech-Language Pathology
  • Audiology
  • Clinical Assessment

Background:

  • Hypernasality assessment is crucial for patients with repaired cleft palate.
  • Reliability of auditory-perceptual scales impacts clinical decision-making.
  • The Borg centiMax scale offers a novel approach to hypernasality rating.

Purpose of the Study:

  • To evaluate the reliability of the Borg centiMax scale for hypernasality assessment.
  • To compare the Borg centiMax scale with a standard ordinal scale.
  • To determine the influence of speech material (single words vs. sentences) on scale reliability.

Main Methods:

  • Four speech-language pathologists rated hypernasality in 80 audio recordings (40 single-word strings, 40 sentences) from patients with repaired cleft palate.
  • The Borg centiMax scale and a 5-point ordinal scale were used for rating.
  • Intra- and inter-rater reliability were calculated; Z test and Spearman correlation were used for comparisons.

Main Results:

  • The Borg centiMax scale showed significantly higher intra- and inter-rater reliability than the ordinal scale.
  • Both scales demonstrated higher reliability with single-word speech samples compared to sentences.
  • Good to excellent intra-rater reliability was observed for the Borg scale across both speech sample types.

Conclusions:

  • The Borg centiMax scale is a more reliable tool for auditory-perceptual assessment of hypernasality.
  • Single-word speech samples enhance the reliability of hypernasality ratings for both scales.
  • These findings support the use of the Borg centiMax scale and single-word stimuli in clinical practice.