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

ABSTRACT

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