Borg scale: a new method for hypernasality rating.

Purpose: To investigate the reliability in auditory-perceptual assessment of hypernasality of the Borg centiMax scale and the influence of the speech material on the reliability of two scales.

Methods: Four experienced speech-language pathologists rated hypernasality of 80 audio recordings of patients with repaired cleft palate (40 single-word string and 40 sentences) using the 5-point ordinal scale and the Borg centiMax scale. Intra and inter-rater reliability were calculated for both scales and for both types of speech samples.