The validity and reliability of the reflux finding score (RFS)

  • Belafsky P
  • Postma G
  • Koufman J
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Abstract

BACKGROUND: The evaluation of medical and surgical outcomes relies on methods of accurately quantifying treatment results. Currently, there is no validated instrument whose purpose is to document the physical findings and severity of laryngopharyngeal reflux (LPR). OBJECTIVE: To evaluate the validity and reliability of the reflux finding score (RFS). METHODS: Forty patients with LPR confirmed by double-probe pH monitoring were evaluated pretreatment and 2, 4, and 6 months after treatment. The RFS was documented for each patient at each visit. For test-retest intraobserver reliability assessment, a blinded laryngologist determined the RFS on two separate occasions. To evaluate interobserver reliability, the RFS was determined by two different blinded laryngologists. RESULTS: The mean age of the cohort was 50 years (+/- 12 standard deviation [SD]). Seventy-three percent were women. The RFS at entry was 11.5 (+/- 5.2 SD). This score improved to 9.3 (+/- 4.7 SD) at 2 months, 7.3 (+/- 5.5 SD) at 4 months, and 6.1 (+/- 5.2 SD) at 6 months of treatment (P

Author-supplied keywords

  • Extraesophageal reflux
  • LPR
  • Laryngopharyngeal reflux
  • Proton pump inhibitors
  • Reflux finding score
  • Treatment outcomes

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Authors

  • Peter C. Belafsky

  • Gregory N. Postma

  • James A. Koufman

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