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Validation of an outcomes instrument for tonsil and adenoid disease

M G Stewart1, E M Friedman, M Sulek

  • 1Bobby R Alford Department of Otorhinolaryngology and Communicative Sciences, Baylor College of Medicine, Houston, TX 77030, USA. mgstew@bcm.tmc.edu

Archives of Otolaryngology--Head & Neck Surgery
|February 15, 2001
PubMed

Insights

A new health status instrument was developed for children with tonsil and adenoid disease. The Tonsil and Adenoid Health Status Instrument is reliable, valid, and sensitive for research.

Area of Science:

  • Pediatric Otolaryngology
  • Health Outcomes Research
  • Psychometrics

Background:

  • Tonsil and adenoid diseases are common in children, impacting their health status.
  • Existing instruments may not adequately capture disease-specific health status in this population.

Purpose of the Study:

  • To design and validate a disease-specific health status instrument for children with tonsil and adenoid disease.
  • The instrument, named the Tonsil and Adenoid Health Status Instrument, aims to improve outcomes research.

Main Methods:

  • Prospective psychometric and clinimetric validation in three stages.
  • Included item testing, reliability and validity testing (test-retest, internal consistency, content, construct, criterion), factor analysis, and responsiveness analysis.
  • Conducted in pediatric specialty hospitals with 224 children diagnosed with tonsil and adenoid disease.

Main Results:

  • Factor analysis confirmed 6 distinct subscales: eating/swallowing, airway/breathing, infections, healthcare utilization, cost of care, and behavior.
  • The Tonsil and Adenoid Health Status Instrument demonstrated excellent test-retest reliability (r=0.72-0.88) and internal consistency (Cronbach's alpha=0.73-0.87).
  • Content, construct, and criterion validity were satisfactory, and the instrument showed appropriate sensitivity to change.

Conclusions:

  • The Tonsil and Adenoid Health Status Instrument is a valid, reliable, and sensitive tool.
  • It possesses significant utility for outcomes research in pediatric tonsil and adenoid disease.
Abstract

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