Development, cultural adaptation, reliability and validity of persian version of sino-nasal outcome test in chronic rhinosinusitis: a brief report

S, Naghdi; F, Anjeie; N, Nakhostin Ansari; M, Fathali

Volume 70, Issue 11 (3 2013) Tehran Univ Med J 2013, 70(11): 735-740 | Back to browse issues page

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S N, F A, N N A, M F. Development, cultural adaptation, reliability and validity of persian version of sino-nasal outcome test in chronic rhinosinusitis: a brief report. Tehran Univ Med J 2013; 70 (11) :735-740
URL: http://tumj.tums.ac.ir/article-1-59-en.html

Development, cultural adaptation, reliability and validity of persian version of sino-nasal outcome test in chronic rhinosinusitis: a brief report

Naghdi S ^*

¹, Anjeie F

, Nakhostin Ansari N

, Fathali M

1- , naghdi@sina.tums.ac.ir

Abstract: (5756 Views)

Background: The sino- nasal outcome test 20 (SNOT-20) is a self- report measure for the assessment of patients with rhinosinusitis. The aim of the present study was to translate the SNOT-20 into Persian, and to evaluate the reliability and validity of the Persian SNOT-20.
Methods: The SNOT-20 was translated from English into Persian. Thirty patients with chronic rhinosinusitis completed the Persian SNOT-20 two times with an interval of 1-2 weeks. Thirty healthy volunteers completed the Persian SNOT-20 for the evaluation of discriminant validity.
Results: Cronbach's alpha coefficient values were high with 0.88 for test and 0.90 for retest. ICC for test-retest reliability was 0.95. The scores of patients were significantly higher than those of the healthy subjects. There were no floor and ceiling effects.
Conclusion: The Persian SNOT-20 is a reliable and valid measure for the assessment of Persian speaking patients with rhinosinusitis.