Analyzing the 22-item Sino-Nasal Outcome Test using item response theory.

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Abstract

The 22-item Sino-Nasal Outcome Test (SNOT-22) is a widely applied patient-reported outcome instrument used to assess the severity of symptoms associated with chronic rhinosinusitis. The purpose of this study was to evaluate the measurement performance of the SNOT-22 instrument on an item-level basis, in a sample of patients awaiting elective surgery for chronic rhinosinusitis.

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Journal

Journal ID (iso-abbrev): Int Forum Allergy Rhinol

Title: International forum of allergy & rhinology

Publisher: Wiley-Blackwell

ISSN (Electronic): 2042-6984

ISSN (Print): 2042-6976

Publication date (Electronic): Sep 2016

Volume: 6

Issue: 9

Affiliations

[1 ] The Children's Research Institute of the Children's Hospital of Wisconsin, Medical College of Wisconsin, Milwaukee, WI. tcrump@ucalgary.ca.

[2 ] Centre for Health Services and Policy Research, School of Population and Public Health, University of British Columbia, Vancouver, BC, Canada.

[3 ] Division of Otolaryngology-Head and Neck Surgery, Department of Surgery, University of British Columbia, Vancouver, BC, Canada.

Article

DOI: 10.1002/alr.21770

PubMed ID: 27279464

SO-VID: abf487a3-5caa-4089-ba92-c57af51b06bc

History

Keywords: dimensional measurement accuracy,health status,self report,sinusitis,survey

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Keywords: dimensional measurement accuracy, health status, self report, sinusitis, survey

Analyzing the 22-item Sino-Nasal Outcome Test using item response theory.

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