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Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber
Published on: March 3, 2023
Validation of an Adaptive Sinonasal Outcome Test
Selena K Zhang1, Sapideh Gilani2, Ayako Stanlie3
1Department of Surgery, Mass General Brigham, Boston, Massachusetts.
JAMA Otolaryngology-- Head & Neck Surgery
|May 14, 2026
Summary
The adaptive Sino-Nasal Outcome Test (SNOT) is a validated instrument for assessing chronic rhinosinusitis (CRS) and allergy symptoms. This study confirms its reliability and responsiveness in clinical and research settings.
Area of Science:
- Otolaryngology
- Medical Informatics
- Psychometrics
Background:
- The Sino-Nasal Outcome Test (SNOT) is a global standard for evaluating chronic rhinosinusitis (CRS).
- An adaptive version of SNOT has shown promise in linking patient-reported outcomes with imaging, but its psychometric validation requires further investigation.
Purpose of the Study:
- To validate the adaptive SNOT instrument for clinical use.
- To assess the psychometric properties of the adaptive SNOT, including reliability, responsiveness, and validity.
Main Methods:
- A validation diagnostic study involving 1072 patients aged 15+ who completed the adaptive SNOT.
- Factor analysis, internal consistency, reliability (intrarater), responsiveness, and convergent/discriminant validity were assessed.
- Correlations were made with Lund-Mackay CT (LMCT) scores and Patient-Reported Outcomes Measurement Information System (PROMIS) scores.
Main Results:
- The adaptive SNOT effectively distinguished between patients with varying CRS severity based on LMCT scores.
- Scores showed significant associations with general health domains (physical, mental, social, global).
- High intrarater reliability was observed, and the instrument was responsive to treatment, showing improvement post-intervention.
Conclusions:
- The adaptive SNOT instrument is validated for assessing CRS and allergic rhinitis symptoms.
- Its robust psychometric properties support its use in both clinical practice and research settings.
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