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Patricia J. Yoon, MD; Jacqueline R. Starr, PhD; Jonathan A. Perkins, DO; David Bloom, MD; Kathleen C. Y. Sie, MD

Arch Otolaryngol Head Neck Surg. 2006;132:947-951.

Objective  To explore the interrater and intrarater reliability in nasoendoscopic assessment of velopharyngeal (VP) function using the standardized reporting method described by Golding-Kushner within a single institution.

Design  Prospective blinded study.

Setting  Academic, tertiary care, pediatric hospital.

Participants  Six health care providers (2 pediatric otolaryngology faculty members, 2 pediatric otolaryngology fellows, and 2 speech pathologists) independently rated 50 videotaped nasoendoscopy segments twice. The segments on the videotape were obtained in a clinical setting.

Main Outcome Measures  The Golding-Kushner rating system was used to rate VP function. Raters described VP closure quantitatively by rating palatal and lateral pharyngeal wall movement for each segment. They also qualitatively described characteristics of the VP gap, rated gap size as none, small, medium, or large, and estimated the percentage gap size relative to the resting position. Reliability coefficients were calculated for the data sets.

Results  Fairly good interrater and intrarater reliability was seen in the quantitative measures. Faculty otolaryngologists rated segments more similarly to each other than did pediatric otolaryngology fellows, but intrarater reliability was similar for both the experienced and less experienced otolaryngologists. Less consistency was seen in the ratings of the speech pathologists. Raters tended to rate with less consistency when describing qualitative characteristics of the VP gap than when making quantitative measurements.

Conclusions  The Golding-Kushner scale is a reasonably reliable tool for reporting nasoendoscopic findings at our institution. However, these data also indicate that there exists room for improvement and that rater training may increase reliability.

Author Affiliations: Department of Otolaryngology–Head and Neck Surgery, University of Colorado School of Medicine, and Department of Pediatric Otolaryngology, The Children's Hospital, Denver (Dr Yoon); Departments of Pediatrics and Epidemiology (Dr Starr) and Otolaryngology–Head and Neck Surgery (Drs Perkins and Sie), University of Washington, Seattle; Children's Craniofacial Center (Dr Starr) and Childhood Communication Center and Division of Pediatric Otolaryngology (Drs Perkins and Sie), Children's Hospital and Regional Medical Center, Seattle; and Naval Medical Center, Portsmouth, Va (Dr Bloom).

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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES

Multicenter Interrater and Intrarater Reliability in the Endoscopic Evaluation of Velopharyngeal Insufficiency
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Arch Otolaryngol Head Neck Surg 2008;134:757-763.
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