A group of patients with nasal septal deviation candidate for septoplasty were enrolled in the study. The study was conducted from March to June 2012 in a tertiary ENT center in Tehran, Iran. Only adults older than 18 years old were included. The diagnosis of nasal septal deviation was made by otorhinolaryngologist based on clinical examination, anterior rhinoscopy, and coronal CT scans. A group of healthy volunteers were also included. They were adults with no history of chronic sinonasal disease. They were not taking any medication related to sinonasal problems. The people in this group were selected from the family members of the patients or personnel of the center. Both groups answered the final draft of the Persian version of SNOT 22. All participants in both groups were asked to answer the questionnaire again in a two-week period. The patients group re-answered the questionnaire before any surgical intervention.
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