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Recent Abstracts

Sino-Nasal Outcomes Test

Name of Questionnaire

Sino-Nasal Outcomes Test-20 (SNOT-20)


Disease-specific health-related quality of life instrument developed by focusing on physical and emotional impact of rhinosinusitis.


Jones ML, Piccirillo JF, Haiduk A, Thawley SE1


Jay Piccirillo, M.D.
Associate Professor and Director
Clinical Outcomes Research Office
Department of Otolaryngology-Head and Neck Surgery
Washington University School of Medicine
Box 8115
660 S. Euclid Avenue
St. Louis, MO 63110
Phone: 314-362-7394
Fax: 314-362-7522


Cost & availability

Yes; contact J. Piccirillo for permission to use the instrument



Time to complete

< 5 minutes

Number of items


Domains & categories

N/A - overall and magniture scores only

Name of categories/domains

N/A - overall and magniture scores only

Scaling of items

Measures magnitude (6-point scale) and importance (patient selects up to 5 most important items and the scores for these items are summed)


Overall magnitude score (all 20 items) and a magnitude score just for the items identified as important available.


  • Test-Retest/Reproducibility: Reported1
  • Internal Consistency: Reported1


Established by comparison to conventional clinical symptom measures1



Minimally important difference

Not reported

Research use

Yes, including clinical trials

Clinical use

Yes, currently

Alternate Versions

Instrument was derived from the Rhinosinusitis Outcome Measure (RSOM-31) 2. An abbreviated version (SNOT-16) is also available.3


Original: English (U.S.)


  1. Jones ML, Piccirillo, JF, Haiduk A, Thawley SE. Functional encoscopic sinus surgery: do ratings of appropriateness predict patient outcomes. Am J Rhinol 1998;12:249-55.
  2. Piccirillo JF, Edwards D, Haiduk A, Yonan C, Thawley S. Psychometric and clinimetric validity of the 31-item rhinosinusitis outcome measure (RSOM-31). Am J Rhinol 1995;9:297-306.
  3. Anderson ER, Murphy MP, Weymuller EA, Jr. Clinimetric evaluation of te Sinonasal Outcome Test-16. Otolaryngol Head Neck Surg 1999;121:702-7.

Date of information

July 2000

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